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Finding the Fourth Proportional to 91,187.52, 136,799.01 and 35,023.50

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Solution

The fourth proportional to 91,187.52, 136,799.01 and 35,023.50 is: 52,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,187.52 : 136,799.01 = 35,023.50 : x
  2. Step 2: Convert to fraction form
    91,187.52/136,799.01 = 35,023.50/x
  3. Step 3: Cross multiply
    91,187.52x = 136,799.01 × 35,023.50
  4. Step 4: Simplify right side
    91,187.52x = 4,791,180,126.74
  5. Step 5: Solve for x
    x = 4,791,180,126.74/91,187.52
  6. Step 6: Final answer
    x = 52,542.06

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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.