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Finding the Fourth Proportional to 162,557.87, 224,321.13 and 89,957.57

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Solution

The fourth proportional to 162,557.87, 224,321.13 and 89,957.57 is: 124,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,557.87 : 224,321.13 = 89,957.57 : x
  2. Step 2: Convert to fraction form
    162,557.87/224,321.13 = 89,957.57/x
  3. Step 3: Cross multiply
    162,557.87x = 224,321.13 × 89,957.57
  4. Step 4: Simplify right side
    162,557.87x = 20,179,383,754.45
  5. Step 5: Solve for x
    x = 20,179,383,754.45/162,557.87
  6. Step 6: Final answer
    x = 124,136.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.