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Finding the Fourth Proportional to 178,323.30, 267,422.92 and 71,675.60

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Solution

The fourth proportional to 178,323.30, 267,422.92 and 71,675.60 is: 107,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,323.30 : 267,422.92 = 71,675.60 : x
  2. Step 2: Convert to fraction form
    178,323.30/267,422.92 = 71,675.60/x
  3. Step 3: Cross multiply
    178,323.30x = 267,422.92 × 71,675.60
  4. Step 4: Simplify right side
    178,323.30x = 19,167,696,728.45
  5. Step 5: Solve for x
    x = 19,167,696,728.45/178,323.30
  6. Step 6: Final answer
    x = 107,488.46

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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.