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Finding the Fourth Proportional to 159,751.45, 239,664.03 and 47,429.14

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Solution

The fourth proportional to 159,751.45, 239,664.03 and 47,429.14 is: 71,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.45 : 239,664.03 = 47,429.14 : x
  2. Step 2: Convert to fraction form
    159,751.45/239,664.03 = 47,429.14/x
  3. Step 3: Cross multiply
    159,751.45x = 239,664.03 × 47,429.14
  4. Step 4: Simplify right side
    159,751.45x = 11,367,058,831.83
  5. Step 5: Solve for x
    x = 11,367,058,831.83/159,751.45
  6. Step 6: Final answer
    x = 71,154.65

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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.