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Finding the Fourth Proportional to 158,375.88, 218,475.86 and 97,927.20

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Solution

The fourth proportional to 158,375.88, 218,475.86 and 97,927.20 is: 135,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,375.88 : 218,475.86 = 97,927.20 : x
  2. Step 2: Convert to fraction form
    158,375.88/218,475.86 = 97,927.20/x
  3. Step 3: Cross multiply
    158,375.88x = 218,475.86 × 97,927.20
  4. Step 4: Simplify right side
    158,375.88x = 21,394,728,747.76
  5. Step 5: Solve for x
    x = 21,394,728,747.76/158,375.88
  6. Step 6: Final answer
    x = 135,088.30

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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.