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Finding the Fourth Proportional to 158,359, 218,529 and 94,731.96

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Solution

The fourth proportional to 158,359, 218,529 and 94,731.96 is: 130,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,359 : 218,529 = 94,731.96 : x
  2. Step 2: Convert to fraction form
    158,359/218,529 = 94,731.96/x
  3. Step 3: Cross multiply
    158,359x = 218,529 × 94,731.96
  4. Step 4: Simplify right side
    158,359x = 20,701,680,486.84
  5. Step 5: Solve for x
    x = 20,701,680,486.84/158,359
  6. Step 6: Final answer
    x = 130,726.26

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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.