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Finding the Fourth Proportional to 92,463.15, 127,602.77 and 54,217.38

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Solution

The fourth proportional to 92,463.15, 127,602.77 and 54,217.38 is: 74,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,463.15 : 127,602.77 = 54,217.38 : x
  2. Step 2: Convert to fraction form
    92,463.15/127,602.77 = 54,217.38/x
  3. Step 3: Cross multiply
    92,463.15x = 127,602.77 × 54,217.38
  4. Step 4: Simplify right side
    92,463.15x = 6,918,287,599.06
  5. Step 5: Solve for x
    x = 6,918,287,599.06/92,463.15
  6. Step 6: Final answer
    x = 74,822.11

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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.