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Finding the Fourth Proportional to 178,130.32, 267,199.80 and 59,805.52

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Solution

The fourth proportional to 178,130.32, 267,199.80 and 59,805.52 is: 89,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,130.32 : 267,199.80 = 59,805.52 : x
  2. Step 2: Convert to fraction form
    178,130.32/267,199.80 = 59,805.52/x
  3. Step 3: Cross multiply
    178,130.32x = 267,199.80 × 59,805.52
  4. Step 4: Simplify right side
    178,130.32x = 15,980,022,982.90
  5. Step 5: Solve for x
    x = 15,980,022,982.90/178,130.32
  6. Step 6: Final answer
    x = 89,709.73

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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.