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Finding the Fourth Proportional to 159,882.06, 220,637.96 and 88,262.67

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Solution

The fourth proportional to 159,882.06, 220,637.96 and 88,262.67 is: 121,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,882.06 : 220,637.96 = 88,262.67 : x
  2. Step 2: Convert to fraction form
    159,882.06/220,637.96 = 88,262.67/x
  3. Step 3: Cross multiply
    159,882.06x = 220,637.96 × 88,262.67
  4. Step 4: Simplify right side
    159,882.06x = 19,474,095,011.64
  5. Step 5: Solve for x
    x = 19,474,095,011.64/159,882.06
  6. Step 6: Final answer
    x = 121,802.88

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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.