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Finding the Fourth Proportional to 59,794,891.80, 89,692,337.70 and 14,356,686.30

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Solution

The fourth proportional to 59,794,891.80, 89,692,337.70 and 14,356,686.30 is: 21,535,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,794,891.80 : 89,692,337.70 = 14,356,686.30 : x
  2. Step 2: Convert to fraction form
    59,794,891.80/89,692,337.70 = 14,356,686.30/x
  3. Step 3: Cross multiply
    59,794,891.80x = 89,692,337.70 × 14,356,686.30
  4. Step 4: Simplify right side
    59,794,891.80x = 1,287,684,755,872,563.50
  5. Step 5: Solve for x
    x = 1,287,684,755,872,563.50/59,794,891.80
  6. Step 6: Final answer
    x = 21,535,029.45

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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.