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Finding the Fourth Proportional to 72,377,109.60, 108,481,683.60 and 29,224,975.20

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Solution

The fourth proportional to 72,377,109.60, 108,481,683.60 and 29,224,975.20 is: 43,803,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,377,109.60 : 108,481,683.60 = 29,224,975.20 : x
  2. Step 2: Convert to fraction form
    72,377,109.60/108,481,683.60 = 29,224,975.20/x
  3. Step 3: Cross multiply
    72,377,109.60x = 108,481,683.60 × 29,224,975.20
  4. Step 4: Simplify right side
    72,377,109.60x = 3,170,374,512,864,246.50
  5. Step 5: Solve for x
    x = 3,170,374,512,864,246.50/72,377,109.60
  6. Step 6: Final answer
    x = 43,803,552.40

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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.