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Finding the Fourth Proportional to 242,211.89, 363,342.61 and 92,578.13

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Solution

The fourth proportional to 242,211.89, 363,342.61 and 92,578.13 is: 138,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,211.89 : 363,342.61 = 92,578.13 : x
  2. Step 2: Convert to fraction form
    242,211.89/363,342.61 = 92,578.13/x
  3. Step 3: Cross multiply
    242,211.89x = 363,342.61 × 92,578.13
  4. Step 4: Simplify right side
    242,211.89x = 33,637,579,044.66
  5. Step 5: Solve for x
    x = 33,637,579,044.66/242,211.89
  6. Step 6: Final answer
    x = 138,876.66

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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.