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Finding the Fourth Proportional to 158,776.82, 238,186.36 and 83,900.02

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Solution

The fourth proportional to 158,776.82, 238,186.36 and 83,900.02 is: 125,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,776.82 : 238,186.36 = 83,900.02 : x
  2. Step 2: Convert to fraction form
    158,776.82/238,186.36 = 83,900.02/x
  3. Step 3: Cross multiply
    158,776.82x = 238,186.36 × 83,900.02
  4. Step 4: Simplify right side
    158,776.82x = 19,983,840,367.73
  5. Step 5: Solve for x
    x = 19,983,840,367.73/158,776.82
  6. Step 6: Final answer
    x = 125,861.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.