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Finding the Fourth Proportional to 132,527.54, 198,646.73 and 65,105.97

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Solution

The fourth proportional to 132,527.54, 198,646.73 and 65,105.97 is: 97,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,527.54 : 198,646.73 = 65,105.97 : x
  2. Step 2: Convert to fraction form
    132,527.54/198,646.73 = 65,105.97/x
  3. Step 3: Cross multiply
    132,527.54x = 198,646.73 × 65,105.97
  4. Step 4: Simplify right side
    132,527.54x = 12,933,087,718.45
  5. Step 5: Solve for x
    x = 12,933,087,718.45/132,527.54
  6. Step 6: Final answer
    x = 97,587.93

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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.