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Finding the Fourth Proportional to 167,848.61, 231,630.84 and 92,397.11

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Solution

The fourth proportional to 167,848.61, 231,630.84 and 92,397.11 is: 127,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,848.61 : 231,630.84 = 92,397.11 : x
  2. Step 2: Convert to fraction form
    167,848.61/231,630.84 = 92,397.11/x
  3. Step 3: Cross multiply
    167,848.61x = 231,630.84 × 92,397.11
  4. Step 4: Simplify right side
    167,848.61x = 21,402,019,044.72
  5. Step 5: Solve for x
    x = 21,402,019,044.72/167,848.61
  6. Step 6: Final answer
    x = 127,507.88

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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.