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Finding the Fourth Proportional to 124,027.60, 185,652.60 and 89,035.60

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Solution

The fourth proportional to 124,027.60, 185,652.60 and 89,035.60 is: 133,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,027.60 : 185,652.60 = 89,035.60 : x
  2. Step 2: Convert to fraction form
    124,027.60/185,652.60 = 89,035.60/x
  3. Step 3: Cross multiply
    124,027.60x = 185,652.60 × 89,035.60
  4. Step 4: Simplify right side
    124,027.60x = 16,529,690,632.56
  5. Step 5: Solve for x
    x = 16,529,690,632.56/124,027.60
  6. Step 6: Final answer
    x = 133,274.29

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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.