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Finding the Fourth Proportional to 178,259.50, 267,448.79 and 58,321.90

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Solution

The fourth proportional to 178,259.50, 267,448.79 and 58,321.90 is: 87,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,259.50 : 267,448.79 = 58,321.90 : x
  2. Step 2: Convert to fraction form
    178,259.50/267,448.79 = 58,321.90/x
  3. Step 3: Cross multiply
    178,259.50x = 267,448.79 × 58,321.90
  4. Step 4: Simplify right side
    178,259.50x = 15,598,121,585.50
  5. Step 5: Solve for x
    x = 15,598,121,585.50/178,259.50
  6. Step 6: Final answer
    x = 87,502.33

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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.