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Finding the Fourth Proportional to 125,276.59, 187,894.87 and 36,509.33

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Solution

The fourth proportional to 125,276.59, 187,894.87 and 36,509.33 is: 54,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,276.59 : 187,894.87 = 36,509.33 : x
  2. Step 2: Convert to fraction form
    125,276.59/187,894.87 = 36,509.33/x
  3. Step 3: Cross multiply
    125,276.59x = 187,894.87 × 36,509.33
  4. Step 4: Simplify right side
    125,276.59x = 6,859,915,814.14
  5. Step 5: Solve for x
    x = 6,859,915,814.14/125,276.59
  6. Step 6: Final answer
    x = 54,758.16

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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.