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Finding the Fourth Proportional to 104,712.75, 157,069.13 and 44,732.66

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Solution

The fourth proportional to 104,712.75, 157,069.13 and 44,732.66 is: 67,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.75 : 157,069.13 = 44,732.66 : x
  2. Step 2: Convert to fraction form
    104,712.75/157,069.13 = 44,732.66/x
  3. Step 3: Cross multiply
    104,712.75x = 157,069.13 × 44,732.66
  4. Step 4: Simplify right side
    104,712.75x = 7,026,118,979.78
  5. Step 5: Solve for x
    x = 7,026,118,979.78/104,712.75
  6. Step 6: Final answer
    x = 67,098.98

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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.