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Finding the Fourth Proportional to 86,167.86, 118,917.12 and 48,444.54

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Solution

The fourth proportional to 86,167.86, 118,917.12 and 48,444.54 is: 66,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,167.86 : 118,917.12 = 48,444.54 : x
  2. Step 2: Convert to fraction form
    86,167.86/118,917.12 = 48,444.54/x
  3. Step 3: Cross multiply
    86,167.86x = 118,917.12 × 48,444.54
  4. Step 4: Simplify right side
    86,167.86x = 5,760,885,176.52
  5. Step 5: Solve for x
    x = 5,760,885,176.52/86,167.86
  6. Step 6: Final answer
    x = 66,856.54

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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.