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Finding the Fourth Proportional to 60,335,318.80, 90,502,978.20 and 14,897,113.30

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Solution

The fourth proportional to 60,335,318.80, 90,502,978.20 and 14,897,113.30 is: 22,345,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,335,318.80 : 90,502,978.20 = 14,897,113.30 : x
  2. Step 2: Convert to fraction form
    60,335,318.80/90,502,978.20 = 14,897,113.30/x
  3. Step 3: Cross multiply
    60,335,318.80x = 90,502,978.20 × 14,897,113.30
  4. Step 4: Simplify right side
    60,335,318.80x = 1,348,233,120,232,830.25
  5. Step 5: Solve for x
    x = 1,348,233,120,232,830.25/60,335,318.80
  6. Step 6: Final answer
    x = 22,345,669.95

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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.