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Finding the Fourth Proportional to 125,063.60, 187,595.40 and 62,711.60

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Solution

The fourth proportional to 125,063.60, 187,595.40 and 62,711.60 is: 94,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,063.60 : 187,595.40 = 62,711.60 : x
  2. Step 2: Convert to fraction form
    125,063.60/187,595.40 = 62,711.60/x
  3. Step 3: Cross multiply
    125,063.60x = 187,595.40 × 62,711.60
  4. Step 4: Simplify right side
    125,063.60x = 11,764,407,686.64
  5. Step 5: Solve for x
    x = 11,764,407,686.64/125,063.60
  6. Step 6: Final answer
    x = 94,067.40

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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.