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Finding the Fourth Proportional to 119,957,693.60, 179,936,540.40 and 119,957,693.60

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Solution

The fourth proportional to 119,957,693.60, 179,936,540.40 and 119,957,693.60 is: 179,936,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,957,693.60 : 179,936,540.40 = 119,957,693.60 : x
  2. Step 2: Convert to fraction form
    119,957,693.60/179,936,540.40 = 119,957,693.60/x
  3. Step 3: Cross multiply
    119,957,693.60x = 179,936,540.40 × 119,957,693.60
  4. Step 4: Simplify right side
    119,957,693.60x = 21,584,772,380,747,220
  5. Step 5: Solve for x
    x = 21,584,772,380,747,220/119,957,693.60
  6. Step 6: Final answer
    x = 179,936,540.40

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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.