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Finding the Fourth Proportional to 111,218.34, 153,481.08 and 60,230.91

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Solution

The fourth proportional to 111,218.34, 153,481.08 and 60,230.91 is: 83,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218.34 : 153,481.08 = 60,230.91 : x
  2. Step 2: Convert to fraction form
    111,218.34/153,481.08 = 60,230.91/x
  3. Step 3: Cross multiply
    111,218.34x = 153,481.08 × 60,230.91
  4. Step 4: Simplify right side
    111,218.34x = 9,244,305,116.18
  5. Step 5: Solve for x
    x = 9,244,305,116.18/111,218.34
  6. Step 6: Final answer
    x = 83,118.53

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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.