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Finding the Fourth Proportional to 71,798,419.20, 107,698,243.20 and 23,929,363.20

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Solution

The fourth proportional to 71,798,419.20, 107,698,243.20 and 23,929,363.20 is: 35,894,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,798,419.20 : 107,698,243.20 = 23,929,363.20 : x
  2. Step 2: Convert to fraction form
    71,798,419.20/107,698,243.20 = 23,929,363.20/x
  3. Step 3: Cross multiply
    71,798,419.20x = 107,698,243.20 × 23,929,363.20
  4. Step 4: Simplify right side
    71,798,419.20x = 2,577,150,377,534,730
  5. Step 5: Solve for x
    x = 2,577,150,377,534,730/71,798,419.20
  6. Step 6: Final answer
    x = 35,894,249.57

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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.