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Finding the Fourth Proportional to 158,536.98, 218,754.14 and 104,793.28

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Solution

The fourth proportional to 158,536.98, 218,754.14 and 104,793.28 is: 144,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,536.98 : 218,754.14 = 104,793.28 : x
  2. Step 2: Convert to fraction form
    158,536.98/218,754.14 = 104,793.28/x
  3. Step 3: Cross multiply
    158,536.98x = 218,754.14 × 104,793.28
  4. Step 4: Simplify right side
    158,536.98x = 22,923,962,773.33
  5. Step 5: Solve for x
    x = 22,923,962,773.33/158,536.98
  6. Step 6: Final answer
    x = 144,596.94

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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.