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Finding the Fourth Proportional to 92,257.92, 127,337.28 and 54,035.52

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Solution

The fourth proportional to 92,257.92, 127,337.28 and 54,035.52 is: 74,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,257.92 : 127,337.28 = 54,035.52 : x
  2. Step 2: Convert to fraction form
    92,257.92/127,337.28 = 54,035.52/x
  3. Step 3: Cross multiply
    92,257.92x = 127,337.28 × 54,035.52
  4. Step 4: Simplify right side
    92,257.92x = 6,880,736,140.19
  5. Step 5: Solve for x
    x = 6,880,736,140.19/92,257.92
  6. Step 6: Final answer
    x = 74,581.52

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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.