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Finding the Fourth Proportional to 156,027.60, 233,772.60 and 72,750.80

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Solution

The fourth proportional to 156,027.60, 233,772.60 and 72,750.80 is: 109,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,027.60 : 233,772.60 = 72,750.80 : x
  2. Step 2: Convert to fraction form
    156,027.60/233,772.60 = 72,750.80/x
  3. Step 3: Cross multiply
    156,027.60x = 233,772.60 × 72,750.80
  4. Step 4: Simplify right side
    156,027.60x = 17,007,143,668.08
  5. Step 5: Solve for x
    x = 17,007,143,668.08/156,027.60
  6. Step 6: Final answer
    x = 109,000.87

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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.