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Finding the Fourth Proportional to 125,296.74, 187,925.10 and 36,529.49

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Solution

The fourth proportional to 125,296.74, 187,925.10 and 36,529.49 is: 54,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,296.74 : 187,925.10 = 36,529.49 : x
  2. Step 2: Convert to fraction form
    125,296.74/187,925.10 = 36,529.49/x
  3. Step 3: Cross multiply
    125,296.74x = 187,925.10 × 36,529.49
  4. Step 4: Simplify right side
    125,296.74x = 6,864,807,121.57
  5. Step 5: Solve for x
    x = 6,864,807,121.57/125,296.74
  6. Step 6: Final answer
    x = 54,788.39

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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.