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Finding the Fourth Proportional to 178,590.80, 267,659.40 and 89,868.80

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Solution

The fourth proportional to 178,590.80, 267,659.40 and 89,868.80 is: 134,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,590.80 : 267,659.40 = 89,868.80 : x
  2. Step 2: Convert to fraction form
    178,590.80/267,659.40 = 89,868.80/x
  3. Step 3: Cross multiply
    178,590.80x = 267,659.40 × 89,868.80
  4. Step 4: Simplify right side
    178,590.80x = 24,054,229,086.72
  5. Step 5: Solve for x
    x = 24,054,229,086.72/178,590.80
  6. Step 6: Final answer
    x = 134,689.07

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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.