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Finding the Fourth Proportional to 125,049.52, 172,584.76 and 71,322.22

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Solution

The fourth proportional to 125,049.52, 172,584.76 and 71,322.22 is: 98,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,049.52 : 172,584.76 = 71,322.22 : x
  2. Step 2: Convert to fraction form
    125,049.52/172,584.76 = 71,322.22/x
  3. Step 3: Cross multiply
    125,049.52x = 172,584.76 × 71,322.22
  4. Step 4: Simplify right side
    125,049.52x = 12,309,127,358.44
  5. Step 5: Solve for x
    x = 12,309,127,358.44/125,049.52
  6. Step 6: Final answer
    x = 98,434.03

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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.