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Finding the Fourth Proportional to 267,489.28, 369,129.84 and 146,630.72

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Solution

The fourth proportional to 267,489.28, 369,129.84 and 146,630.72 is: 202,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,489.28 : 369,129.84 = 146,630.72 : x
  2. Step 2: Convert to fraction form
    267,489.28/369,129.84 = 146,630.72/x
  3. Step 3: Cross multiply
    267,489.28x = 369,129.84 × 146,630.72
  4. Step 4: Simplify right side
    267,489.28x = 54,125,774,212.68
  5. Step 5: Solve for x
    x = 54,125,774,212.68/267,489.28
  6. Step 6: Final answer
    x = 202,347.45

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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.