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Finding the Fourth Proportional to 178,444.92, 267,681.94 and 89,652.60

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Solution

The fourth proportional to 178,444.92, 267,681.94 and 89,652.60 is: 134,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,444.92 : 267,681.94 = 89,652.60 : x
  2. Step 2: Convert to fraction form
    178,444.92/267,681.94 = 89,652.60/x
  3. Step 3: Cross multiply
    178,444.92x = 267,681.94 × 89,652.60
  4. Step 4: Simplify right side
    178,444.92x = 23,998,381,894.04
  5. Step 5: Solve for x
    x = 23,998,381,894.04/178,444.92
  6. Step 6: Final answer
    x = 134,486.22

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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.