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Finding the Fourth Proportional to 125,924.17, 188,840.89 and 41,668.78

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Solution

The fourth proportional to 125,924.17, 188,840.89 and 41,668.78 is: 62,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,924.17 : 188,840.89 = 41,668.78 : x
  2. Step 2: Convert to fraction form
    125,924.17/188,840.89 = 41,668.78/x
  3. Step 3: Cross multiply
    125,924.17x = 188,840.89 × 41,668.78
  4. Step 4: Simplify right side
    125,924.17x = 7,868,768,924.14
  5. Step 5: Solve for x
    x = 7,868,768,924.14/125,924.17
  6. Step 6: Final answer
    x = 62,488.16

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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.