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Finding the Fourth Proportional to 124,545.60, 186,429.60 and 89,553.60

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Solution

The fourth proportional to 124,545.60, 186,429.60 and 89,553.60 is: 134,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.60 : 186,429.60 = 89,553.60 : x
  2. Step 2: Convert to fraction form
    124,545.60/186,429.60 = 89,553.60/x
  3. Step 3: Cross multiply
    124,545.60x = 186,429.60 × 89,553.60
  4. Step 4: Simplify right side
    124,545.60x = 16,695,441,826.56
  5. Step 5: Solve for x
    x = 16,695,441,826.56/124,545.60
  6. Step 6: Final answer
    x = 134,050.84

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1.5x scale

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.