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Finding the Fourth Proportional to 111,738.39, 167,681.39 and 52,590.97

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Solution

The fourth proportional to 111,738.39, 167,681.39 and 52,590.97 is: 78,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738.39 : 167,681.39 = 52,590.97 : x
  2. Step 2: Convert to fraction form
    111,738.39/167,681.39 = 52,590.97/x
  3. Step 3: Cross multiply
    111,738.39x = 167,681.39 × 52,590.97
  4. Step 4: Simplify right side
    111,738.39x = 8,818,527,193.52
  5. Step 5: Solve for x
    x = 8,818,527,193.52/111,738.39
  6. Step 6: Final answer
    x = 78,921.20

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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.