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Finding the Fourth Proportional to 242,211.61, 363,319.23 and 92,411.62

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Solution

The fourth proportional to 242,211.61, 363,319.23 and 92,411.62 is: 138,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,211.61 : 363,319.23 = 92,411.62 : x
  2. Step 2: Convert to fraction form
    242,211.61/363,319.23 = 92,411.62/x
  3. Step 3: Cross multiply
    242,211.61x = 363,319.23 × 92,411.62
  4. Step 4: Simplify right side
    242,211.61x = 33,574,919,843.46
  5. Step 5: Solve for x
    x = 33,574,919,843.46/242,211.61
  6. Step 6: Final answer
    x = 138,618.13

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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.