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Finding the Fourth Proportional to 178,371.84, 267,572.32 and 89,579.68

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Solution

The fourth proportional to 178,371.84, 267,572.32 and 89,579.68 is: 134,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,371.84 : 267,572.32 = 89,579.68 : x
  2. Step 2: Convert to fraction form
    178,371.84/267,572.32 = 89,579.68/x
  3. Step 3: Cross multiply
    178,371.84x = 267,572.32 × 89,579.68
  4. Step 4: Simplify right side
    178,371.84x = 23,969,042,802.46
  5. Step 5: Solve for x
    x = 23,969,042,802.46/178,371.84
  6. Step 6: Final answer
    x = 134,376.83

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1.5x scale

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.