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Finding the Fourth Proportional to 50,897,425.60, 76,346,138.40 and 50,897,425.60

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Solution

The fourth proportional to 50,897,425.60, 76,346,138.40 and 50,897,425.60 is: 76,346,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,897,425.60 : 76,346,138.40 = 50,897,425.60 : x
  2. Step 2: Convert to fraction form
    50,897,425.60/76,346,138.40 = 50,897,425.60/x
  3. Step 3: Cross multiply
    50,897,425.60x = 76,346,138.40 × 50,897,425.60
  4. Step 4: Simplify right side
    50,897,425.60x = 3,885,821,899,061,303.50
  5. Step 5: Solve for x
    x = 3,885,821,899,061,303.50/50,897,425.60
  6. Step 6: Final answer
    x = 76,346,138.40

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.