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Finding the Fourth Proportional to 235,447.82, 353,171.72 and 69,235.82

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Solution

The fourth proportional to 235,447.82, 353,171.72 and 69,235.82 is: 103,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,447.82 : 353,171.72 = 69,235.82 : x
  2. Step 2: Convert to fraction form
    235,447.82/353,171.72 = 69,235.82/x
  3. Step 3: Cross multiply
    235,447.82x = 353,171.72 × 69,235.82
  4. Step 4: Simplify right side
    235,447.82x = 24,452,132,042.24
  5. Step 5: Solve for x
    x = 24,452,132,042.24/235,447.82
  6. Step 6: Final answer
    x = 103,853.72

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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.