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Finding the Fourth Proportional to 111,178.88, 153,425.78 and 60,190.31

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Solution

The fourth proportional to 111,178.88, 153,425.78 and 60,190.31 is: 83,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,178.88 : 153,425.78 = 60,190.31 : x
  2. Step 2: Convert to fraction form
    111,178.88/153,425.78 = 60,190.31/x
  3. Step 3: Cross multiply
    111,178.88x = 153,425.78 × 60,190.31
  4. Step 4: Simplify right side
    111,178.88x = 9,234,744,705.50
  5. Step 5: Solve for x
    x = 9,234,744,705.50/111,178.88
  6. Step 6: Final answer
    x = 83,062.04

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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.