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Finding the Fourth Proportional to 64,368,425.60, 96,664,612.80 and 34,135,337.60

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Solution

The fourth proportional to 64,368,425.60, 96,664,612.80 and 34,135,337.60 is: 51,262,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368,425.60 : 96,664,612.80 = 34,135,337.60 : x
  2. Step 2: Convert to fraction form
    64,368,425.60/96,664,612.80 = 34,135,337.60/x
  3. Step 3: Cross multiply
    64,368,425.60x = 96,664,612.80 × 34,135,337.60
  4. Step 4: Simplify right side
    64,368,425.60x = 3,299,679,191,901,281.50
  5. Step 5: Solve for x
    x = 3,299,679,191,901,281.50/64,368,425.60
  6. Step 6: Final answer
    x = 51,262,387.75

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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.