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Finding the Fourth Proportional to 159,326.10, 238,701.15 and 92,711.70

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Solution

The fourth proportional to 159,326.10, 238,701.15 and 92,711.70 is: 138,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,326.10 : 238,701.15 = 92,711.70 : x
  2. Step 2: Convert to fraction form
    159,326.10/238,701.15 = 92,711.70/x
  3. Step 3: Cross multiply
    159,326.10x = 238,701.15 × 92,711.70
  4. Step 4: Simplify right side
    159,326.10x = 22,130,389,408.46
  5. Step 5: Solve for x
    x = 22,130,389,408.46/159,326.10
  6. Step 6: Final answer
    x = 138,899.96

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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.