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Finding the Fourth Proportional to 135,599.04, 187,126.16 and 75,983.04

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Solution

The fourth proportional to 135,599.04, 187,126.16 and 75,983.04 is: 104,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,599.04 : 187,126.16 = 75,983.04 : x
  2. Step 2: Convert to fraction form
    135,599.04/187,126.16 = 75,983.04/x
  3. Step 3: Cross multiply
    135,599.04x = 187,126.16 × 75,983.04
  4. Step 4: Simplify right side
    135,599.04x = 14,218,414,500.33
  5. Step 5: Solve for x
    x = 14,218,414,500.33/135,599.04
  6. Step 6: Final answer
    x = 104,856.31

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1.5x scale

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.