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Finding the Fourth Proportional to 126,125.56, 188,916.90 and 59,465.80

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Solution

The fourth proportional to 126,125.56, 188,916.90 and 59,465.80 is: 89,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125.56 : 188,916.90 = 59,465.80 : x
  2. Step 2: Convert to fraction form
    126,125.56/188,916.90 = 59,465.80/x
  3. Step 3: Cross multiply
    126,125.56x = 188,916.90 × 59,465.80
  4. Step 4: Simplify right side
    126,125.56x = 11,234,094,592.02
  5. Step 5: Solve for x
    x = 11,234,094,592.02/126,125.56
  6. Step 6: Final answer
    x = 89,070.72

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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.