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Finding the Fourth Proportional to 121,750.34, 182,373.92 and 71,676.14

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Solution

The fourth proportional to 121,750.34, 182,373.92 and 71,676.14 is: 107,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,750.34 : 182,373.92 = 71,676.14 : x
  2. Step 2: Convert to fraction form
    121,750.34/182,373.92 = 71,676.14/x
  3. Step 3: Cross multiply
    121,750.34x = 182,373.92 × 71,676.14
  4. Step 4: Simplify right side
    121,750.34x = 13,071,858,622.27
  5. Step 5: Solve for x
    x = 13,071,858,622.27/121,750.34
  6. Step 6: Final answer
    x = 107,366.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.