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Finding the Fourth Proportional to 92,388.56, 127,508.28 and 52,115

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Solution

The fourth proportional to 92,388.56, 127,508.28 and 52,115 is: 71,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,388.56 : 127,508.28 = 52,115 : x
  2. Step 2: Convert to fraction form
    92,388.56/127,508.28 = 52,115/x
  3. Step 3: Cross multiply
    92,388.56x = 127,508.28 × 52,115
  4. Step 4: Simplify right side
    92,388.56x = 6,645,094,012.20
  5. Step 5: Solve for x
    x = 6,645,094,012.20/92,388.56
  6. Step 6: Final answer
    x = 71,925.51

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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.