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Finding the Fourth Proportional to 239,852.41, 359,773.59 and 79,939.92

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Solution

The fourth proportional to 239,852.41, 359,773.59 and 79,939.92 is: 119,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,852.41 : 359,773.59 = 79,939.92 : x
  2. Step 2: Convert to fraction form
    239,852.41/359,773.59 = 79,939.92/x
  3. Step 3: Cross multiply
    239,852.41x = 359,773.59 × 79,939.92
  4. Step 4: Simplify right side
    239,852.41x = 28,760,272,002.71
  5. Step 5: Solve for x
    x = 28,760,272,002.71/239,852.41
  6. Step 6: Final answer
    x = 119,908.21

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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.