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Finding the Fourth Proportional to 85,191.60, 117,565.20 and 46,952.54

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Solution

The fourth proportional to 85,191.60, 117,565.20 and 46,952.54 is: 64,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.60 : 117,565.20 = 46,952.54 : x
  2. Step 2: Convert to fraction form
    85,191.60/117,565.20 = 46,952.54/x
  3. Step 3: Cross multiply
    85,191.60x = 117,565.20 × 46,952.54
  4. Step 4: Simplify right side
    85,191.60x = 5,519,984,755.61
  5. Step 5: Solve for x
    x = 5,519,984,755.61/85,191.60
  6. Step 6: Final answer
    x = 64,794.94

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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.