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Finding the Fourth Proportional to 47,337,319.20, 71,005,978.80 and 38,827,264.80

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Solution

The fourth proportional to 47,337,319.20, 71,005,978.80 and 38,827,264.80 is: 58,240,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,337,319.20 : 71,005,978.80 = 38,827,264.80 : x
  2. Step 2: Convert to fraction form
    47,337,319.20/71,005,978.80 = 38,827,264.80/x
  3. Step 3: Cross multiply
    47,337,319.20x = 71,005,978.80 × 38,827,264.80
  4. Step 4: Simplify right side
    47,337,319.20x = 2,756,967,941,250,786
  5. Step 5: Solve for x
    x = 2,756,967,941,250,786/47,337,319.20
  6. Step 6: Final answer
    x = 58,240,897.20

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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.