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Finding the Fourth Proportional to 132,123.87, 198,069.15 and 101,097.63

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Solution

The fourth proportional to 132,123.87, 198,069.15 and 101,097.63 is: 151,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,123.87 : 198,069.15 = 101,097.63 : x
  2. Step 2: Convert to fraction form
    132,123.87/198,069.15 = 101,097.63/x
  3. Step 3: Cross multiply
    132,123.87x = 198,069.15 × 101,097.63
  4. Step 4: Simplify right side
    132,123.87x = 20,024,321,641.11
  5. Step 5: Solve for x
    x = 20,024,321,641.11/132,123.87
  6. Step 6: Final answer
    x = 151,557.18

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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.