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Finding the Fourth Proportional to 92,233, 127,281.54 and 52,489

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Solution

The fourth proportional to 92,233, 127,281.54 and 52,489 is: 72,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,233 : 127,281.54 = 52,489 : x
  2. Step 2: Convert to fraction form
    92,233/127,281.54 = 52,489/x
  3. Step 3: Cross multiply
    92,233x = 127,281.54 × 52,489
  4. Step 4: Simplify right side
    92,233x = 6,680,880,753.06
  5. Step 5: Solve for x
    x = 6,680,880,753.06/92,233
  6. Step 6: Final answer
    x = 72,434.82

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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.