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Finding the Fourth Proportional to 113,750.38, 170,773.08 and 87,473.44

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Solution

The fourth proportional to 113,750.38, 170,773.08 and 87,473.44 is: 131,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,750.38 : 170,773.08 = 87,473.44 : x
  2. Step 2: Convert to fraction form
    113,750.38/170,773.08 = 87,473.44/x
  3. Step 3: Cross multiply
    113,750.38x = 170,773.08 × 87,473.44
  4. Step 4: Simplify right side
    113,750.38x = 14,938,108,767.00
  5. Step 5: Solve for x
    x = 14,938,108,767.00/113,750.38
  6. Step 6: Final answer
    x = 131,323.59

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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.