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Finding the Fourth Proportional to 86,800.61, 119,784.24 and 48,559.97

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Solution

The fourth proportional to 86,800.61, 119,784.24 and 48,559.97 is: 67,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.61 : 119,784.24 = 48,559.97 : x
  2. Step 2: Convert to fraction form
    86,800.61/119,784.24 = 48,559.97/x
  3. Step 3: Cross multiply
    86,800.61x = 119,784.24 × 48,559.97
  4. Step 4: Simplify right side
    86,800.61x = 5,816,719,400.33
  5. Step 5: Solve for x
    x = 5,816,719,400.33/86,800.61
  6. Step 6: Final answer
    x = 67,012.42

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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.