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Finding the Fourth Proportional to 59,456.72, 89,114 and 45,306.83

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Solution

The fourth proportional to 59,456.72, 89,114 and 45,306.83 is: 67,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,456.72 : 89,114 = 45,306.83 : x
  2. Step 2: Convert to fraction form
    59,456.72/89,114 = 45,306.83/x
  3. Step 3: Cross multiply
    59,456.72x = 89,114 × 45,306.83
  4. Step 4: Simplify right side
    59,456.72x = 4,037,472,848.62
  5. Step 5: Solve for x
    x = 4,037,472,848.62/59,456.72
  6. Step 6: Final answer
    x = 67,906.08

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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.