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Finding the Fourth Proportional to 92,512.54, 127,670.40 and 56,695.64

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Solution

The fourth proportional to 92,512.54, 127,670.40 and 56,695.64 is: 78,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,512.54 : 127,670.40 = 56,695.64 : x
  2. Step 2: Convert to fraction form
    92,512.54/127,670.40 = 56,695.64/x
  3. Step 3: Cross multiply
    92,512.54x = 127,670.40 × 56,695.64
  4. Step 4: Simplify right side
    92,512.54x = 7,238,354,398.70
  5. Step 5: Solve for x
    x = 7,238,354,398.70/92,512.54
  6. Step 6: Final answer
    x = 78,241.87

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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.