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Finding the Fourth Proportional to 239,079.79, 329,716.84 and 170,033.77

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Solution

The fourth proportional to 239,079.79, 329,716.84 and 170,033.77 is: 234,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,079.79 : 329,716.84 = 170,033.77 : x
  2. Step 2: Convert to fraction form
    239,079.79/329,716.84 = 170,033.77/x
  3. Step 3: Cross multiply
    239,079.79x = 329,716.84 × 170,033.77
  4. Step 4: Simplify right side
    239,079.79x = 56,062,997,337.69
  5. Step 5: Solve for x
    x = 56,062,997,337.69/239,079.79
  6. Step 6: Final answer
    x = 234,494.92

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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.