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Finding the Fourth Proportional to 159,706.76, 239,330.43 and 109,843.16

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Solution

The fourth proportional to 159,706.76, 239,330.43 and 109,843.16 is: 164,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,706.76 : 239,330.43 = 109,843.16 : x
  2. Step 2: Convert to fraction form
    159,706.76/239,330.43 = 109,843.16/x
  3. Step 3: Cross multiply
    159,706.76x = 239,330.43 × 109,843.16
  4. Step 4: Simplify right side
    159,706.76x = 26,288,809,518.71
  5. Step 5: Solve for x
    x = 26,288,809,518.71/159,706.76
  6. Step 6: Final answer
    x = 164,606.75

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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.