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Finding the Fourth Proportional to 125,878.52, 188,772.80 and 41,623.13

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Solution

The fourth proportional to 125,878.52, 188,772.80 and 41,623.13 is: 62,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,878.52 : 188,772.80 = 41,623.13 : x
  2. Step 2: Convert to fraction form
    125,878.52/188,772.80 = 41,623.13/x
  3. Step 3: Cross multiply
    125,878.52x = 188,772.80 × 41,623.13
  4. Step 4: Simplify right side
    125,878.52x = 7,857,313,642.88
  5. Step 5: Solve for x
    x = 7,857,313,642.88/125,878.52
  6. Step 6: Final answer
    x = 62,419.82

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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.