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Finding the Fourth Proportional to 158,563.56, 218,932.53 and 102,073.35

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Solution

The fourth proportional to 158,563.56, 218,932.53 and 102,073.35 is: 140,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,563.56 : 218,932.53 = 102,073.35 : x
  2. Step 2: Convert to fraction form
    158,563.56/218,932.53 = 102,073.35/x
  3. Step 3: Cross multiply
    158,563.56x = 218,932.53 × 102,073.35
  4. Step 4: Simplify right side
    158,563.56x = 22,347,176,761.08
  5. Step 5: Solve for x
    x = 22,347,176,761.08/158,563.56
  6. Step 6: Final answer
    x = 140,935.14

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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.