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Finding the Fourth Proportional to 86,524.56, 119,403.90 and 48,798.81

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Solution

The fourth proportional to 86,524.56, 119,403.90 and 48,798.81 is: 67,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,524.56 : 119,403.90 = 48,798.81 : x
  2. Step 2: Convert to fraction form
    86,524.56/119,403.90 = 48,798.81/x
  3. Step 3: Cross multiply
    86,524.56x = 119,403.90 × 48,798.81
  4. Step 4: Simplify right side
    86,524.56x = 5,826,768,229.36
  5. Step 5: Solve for x
    x = 5,826,768,229.36/86,524.56
  6. Step 6: Final answer
    x = 67,342.36

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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.