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Finding the Fourth Proportional to 92,400.86, 127,513.16 and 52,114.53

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Solution

The fourth proportional to 92,400.86, 127,513.16 and 52,114.53 is: 71,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.86 : 127,513.16 = 52,114.53 : x
  2. Step 2: Convert to fraction form
    92,400.86/127,513.16 = 52,114.53/x
  3. Step 3: Cross multiply
    92,400.86x = 127,513.16 × 52,114.53
  4. Step 4: Simplify right side
    92,400.86x = 6,645,288,815.25
  5. Step 5: Solve for x
    x = 6,645,288,815.25/92,400.86
  6. Step 6: Final answer
    x = 71,918.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.