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Finding the Fourth Proportional to 86,505.92, 119,357.72 and 48,772.88

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Solution

The fourth proportional to 86,505.92, 119,357.72 and 48,772.88 is: 67,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.92 : 119,357.72 = 48,772.88 : x
  2. Step 2: Convert to fraction form
    86,505.92/119,357.72 = 48,772.88/x
  3. Step 3: Cross multiply
    86,505.92x = 119,357.72 × 48,772.88
  4. Step 4: Simplify right side
    86,505.92x = 5,821,419,754.63
  5. Step 5: Solve for x
    x = 5,821,419,754.63/86,505.92
  6. Step 6: Final answer
    x = 67,295.04

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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.