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Finding the Fourth Proportional to 111,478.89, 167,218.24 and 64,063.74

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Solution

The fourth proportional to 111,478.89, 167,218.24 and 64,063.74 is: 96,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,478.89 : 167,218.24 = 64,063.74 : x
  2. Step 2: Convert to fraction form
    111,478.89/167,218.24 = 64,063.74/x
  3. Step 3: Cross multiply
    111,478.89x = 167,218.24 × 64,063.74
  4. Step 4: Simplify right side
    111,478.89x = 10,712,625,850.62
  5. Step 5: Solve for x
    x = 10,712,625,850.62/111,478.89
  6. Step 6: Final answer
    x = 96,095.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.