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Finding the Fourth Proportional to 86,403.52, 119,238.24 and 48,166.24

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Solution

The fourth proportional to 86,403.52, 119,238.24 and 48,166.24 is: 66,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,403.52 : 119,238.24 = 48,166.24 : x
  2. Step 2: Convert to fraction form
    86,403.52/119,238.24 = 48,166.24/x
  3. Step 3: Cross multiply
    86,403.52x = 119,238.24 × 48,166.24
  4. Step 4: Simplify right side
    86,403.52x = 5,743,257,685.02
  5. Step 5: Solve for x
    x = 5,743,257,685.02/86,403.52
  6. Step 6: Final answer
    x = 66,470.18

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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.