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Finding the Fourth Proportional to 242,569.86, 363,702.09 and 74,034.12

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Solution

The fourth proportional to 242,569.86, 363,702.09 and 74,034.12 is: 111,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,569.86 : 363,702.09 = 74,034.12 : x
  2. Step 2: Convert to fraction form
    242,569.86/363,702.09 = 74,034.12/x
  3. Step 3: Cross multiply
    242,569.86x = 363,702.09 × 74,034.12
  4. Step 4: Simplify right side
    242,569.86x = 26,926,364,175.31
  5. Step 5: Solve for x
    x = 26,926,364,175.31/242,569.86
  6. Step 6: Final answer
    x = 111,004.57

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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.