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Finding the Fourth Proportional to 92,437.98, 127,565.15 and 54,198.54

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Solution

The fourth proportional to 92,437.98, 127,565.15 and 54,198.54 is: 74,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,437.98 : 127,565.15 = 54,198.54 : x
  2. Step 2: Convert to fraction form
    92,437.98/127,565.15 = 54,198.54/x
  3. Step 3: Cross multiply
    92,437.98x = 127,565.15 × 54,198.54
  4. Step 4: Simplify right side
    92,437.98x = 6,913,844,613.89
  5. Step 5: Solve for x
    x = 6,913,844,613.89/92,437.98
  6. Step 6: Final answer
    x = 74,794.41

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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.