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Finding the Fourth Proportional to 215,295.60, 322,839.72 and 75,051.12

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Solution

The fourth proportional to 215,295.60, 322,839.72 and 75,051.12 is: 112,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,295.60 : 322,839.72 = 75,051.12 : x
  2. Step 2: Convert to fraction form
    215,295.60/322,839.72 = 75,051.12/x
  3. Step 3: Cross multiply
    215,295.60x = 322,839.72 × 75,051.12
  4. Step 4: Simplify right side
    215,295.60x = 24,229,482,566.49
  5. Step 5: Solve for x
    x = 24,229,482,566.49/215,295.60
  6. Step 6: Final answer
    x = 112,540.54

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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.