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Finding the Fourth Proportional to 178,492.80, 267,597.12 and 88,472.16

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Solution

The fourth proportional to 178,492.80, 267,597.12 and 88,472.16 is: 132,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,492.80 : 267,597.12 = 88,472.16 : x
  2. Step 2: Convert to fraction form
    178,492.80/267,597.12 = 88,472.16/x
  3. Step 3: Cross multiply
    178,492.80x = 267,597.12 × 88,472.16
  4. Step 4: Simplify right side
    178,492.80x = 23,674,895,216.18
  5. Step 5: Solve for x
    x = 23,674,895,216.18/178,492.80
  6. Step 6: Final answer
    x = 132,637.82

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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.