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Finding the Fourth Proportional to 85,593.29, 118,118.05 and 47,867.54

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Solution

The fourth proportional to 85,593.29, 118,118.05 and 47,867.54 is: 66,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,593.29 : 118,118.05 = 47,867.54 : x
  2. Step 2: Convert to fraction form
    85,593.29/118,118.05 = 47,867.54/x
  3. Step 3: Cross multiply
    85,593.29x = 118,118.05 × 47,867.54
  4. Step 4: Simplify right side
    85,593.29x = 5,654,019,772.84
  5. Step 5: Solve for x
    x = 5,654,019,772.84/85,593.29
  6. Step 6: Final answer
    x = 66,056.81

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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.