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Finding the Fourth Proportional to 60,691,710.90, 91,037,566.35 and 41,418,117.30

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Solution

The fourth proportional to 60,691,710.90, 91,037,566.35 and 41,418,117.30 is: 62,127,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691,710.90 : 91,037,566.35 = 41,418,117.30 : x
  2. Step 2: Convert to fraction form
    60,691,710.90/91,037,566.35 = 41,418,117.30/x
  3. Step 3: Cross multiply
    60,691,710.90x = 91,037,566.35 × 41,418,117.30
  4. Step 4: Simplify right side
    60,691,710.90x = 3,770,604,601,790,832.50
  5. Step 5: Solve for x
    x = 3,770,604,601,790,832.50/60,691,710.90
  6. Step 6: Final answer
    x = 62,127,175.95

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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.