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Finding the Fourth Proportional to 125,099.64, 187,659.81 and 36,353.16

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Solution

The fourth proportional to 125,099.64, 187,659.81 and 36,353.16 is: 54,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,099.64 : 187,659.81 = 36,353.16 : x
  2. Step 2: Convert to fraction form
    125,099.64/187,659.81 = 36,353.16/x
  3. Step 3: Cross multiply
    125,099.64x = 187,659.81 × 36,353.16
  4. Step 4: Simplify right side
    125,099.64x = 6,822,027,098.50
  5. Step 5: Solve for x
    x = 6,822,027,098.50/125,099.64
  6. Step 6: Final answer
    x = 54,532.75

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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.