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Finding the Fourth Proportional to 159,849.76, 239,881.52 and 66,355.52

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Solution

The fourth proportional to 159,849.76, 239,881.52 and 66,355.52 is: 99,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,849.76 : 239,881.52 = 66,355.52 : x
  2. Step 2: Convert to fraction form
    159,849.76/239,881.52 = 66,355.52/x
  3. Step 3: Cross multiply
    159,849.76x = 239,881.52 × 66,355.52
  4. Step 4: Simplify right side
    159,849.76x = 15,917,462,997.99
  5. Step 5: Solve for x
    x = 15,917,462,997.99/159,849.76
  6. Step 6: Final answer
    x = 99,577.65

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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.