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Finding the Fourth Proportional to 178,383.30, 267,574.95 and 169,635.30

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Solution

The fourth proportional to 178,383.30, 267,574.95 and 169,635.30 is: 254,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,383.30 : 267,574.95 = 169,635.30 : x
  2. Step 2: Convert to fraction form
    178,383.30/267,574.95 = 169,635.30/x
  3. Step 3: Cross multiply
    178,383.30x = 267,574.95 × 169,635.30
  4. Step 4: Simplify right side
    178,383.30x = 45,390,156,915.74
  5. Step 5: Solve for x
    x = 45,390,156,915.74/178,383.30
  6. Step 6: Final answer
    x = 254,452.95

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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.