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Finding the Fourth Proportional to 178,483.28, 267,655.46 and 89,674.88

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Solution

The fourth proportional to 178,483.28, 267,655.46 and 89,674.88 is: 134,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,483.28 : 267,655.46 = 89,674.88 : x
  2. Step 2: Convert to fraction form
    178,483.28/267,655.46 = 89,674.88/x
  3. Step 3: Cross multiply
    178,483.28x = 267,655.46 × 89,674.88
  4. Step 4: Simplify right side
    178,483.28x = 24,001,969,470.19
  5. Step 5: Solve for x
    x = 24,001,969,470.19/178,483.28
  6. Step 6: Final answer
    x = 134,477.42

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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.