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Finding the Fourth Proportional to 125,383.92, 187,626.48 and 108,574.80

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Solution

The fourth proportional to 125,383.92, 187,626.48 and 108,574.80 is: 162,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,383.92 : 187,626.48 = 108,574.80 : x
  2. Step 2: Convert to fraction form
    125,383.92/187,626.48 = 108,574.80/x
  3. Step 3: Cross multiply
    125,383.92x = 187,626.48 × 108,574.80
  4. Step 4: Simplify right side
    125,383.92x = 20,371,507,540.70
  5. Step 5: Solve for x
    x = 20,371,507,540.70/125,383.92
  6. Step 6: Final answer
    x = 162,473.05

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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.