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Finding the Fourth Proportional to 85,191.91, 117,565.62 and 46,952.85

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Solution

The fourth proportional to 85,191.91, 117,565.62 and 46,952.85 is: 64,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.91 : 117,565.62 = 46,952.85 : x
  2. Step 2: Convert to fraction form
    85,191.91/117,565.62 = 46,952.85/x
  3. Step 3: Cross multiply
    85,191.91x = 117,565.62 × 46,952.85
  4. Step 4: Simplify right side
    85,191.91x = 5,520,040,921.02
  5. Step 5: Solve for x
    x = 5,520,040,921.02/85,191.91
  6. Step 6: Final answer
    x = 64,795.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.