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Finding the Fourth Proportional to 154,445.80, 231,798.30 and 75,627.40

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Solution

The fourth proportional to 154,445.80, 231,798.30 and 75,627.40 is: 113,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,445.80 : 231,798.30 = 75,627.40 : x
  2. Step 2: Convert to fraction form
    154,445.80/231,798.30 = 75,627.40/x
  3. Step 3: Cross multiply
    154,445.80x = 231,798.30 × 75,627.40
  4. Step 4: Simplify right side
    154,445.80x = 17,530,302,753.42
  5. Step 5: Solve for x
    x = 17,530,302,753.42/154,445.80
  6. Step 6: Final answer
    x = 113,504.56

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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.