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Finding the Fourth Proportional to 186,616.92, 257,534.70 and 101,737.56

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Solution

The fourth proportional to 186,616.92, 257,534.70 and 101,737.56 is: 140,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,616.92 : 257,534.70 = 101,737.56 : x
  2. Step 2: Convert to fraction form
    186,616.92/257,534.70 = 101,737.56/x
  3. Step 3: Cross multiply
    186,616.92x = 257,534.70 × 101,737.56
  4. Step 4: Simplify right side
    186,616.92x = 26,200,951,993.33
  5. Step 5: Solve for x
    x = 26,200,951,993.33/186,616.92
  6. Step 6: Final answer
    x = 140,399.66

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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.