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Finding the Fourth Proportional to 132,070.92, 198,164.88 and 53,338.92

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Solution

The fourth proportional to 132,070.92, 198,164.88 and 53,338.92 is: 80,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.92 : 198,164.88 = 53,338.92 : x
  2. Step 2: Convert to fraction form
    132,070.92/198,164.88 = 53,338.92/x
  3. Step 3: Cross multiply
    132,070.92x = 198,164.88 × 53,338.92
  4. Step 4: Simplify right side
    132,070.92x = 10,569,900,681.13
  5. Step 5: Solve for x
    x = 10,569,900,681.13/132,070.92
  6. Step 6: Final answer
    x = 80,032.01

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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.