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Finding the Fourth Proportional to 235,553.39, 353,157.85 and 75,538.24

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Solution

The fourth proportional to 235,553.39, 353,157.85 and 75,538.24 is: 113,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,553.39 : 353,157.85 = 75,538.24 : x
  2. Step 2: Convert to fraction form
    235,553.39/353,157.85 = 75,538.24/x
  3. Step 3: Cross multiply
    235,553.39x = 353,157.85 × 75,538.24
  4. Step 4: Simplify right side
    235,553.39x = 26,676,923,026.37
  5. Step 5: Solve for x
    x = 26,676,923,026.37/235,553.39
  6. Step 6: Final answer
    x = 113,252.13

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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.