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Finding the Fourth Proportional to 79,060.71, 118,606.92 and 29,141.04

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Solution

The fourth proportional to 79,060.71, 118,606.92 and 29,141.04 is: 43,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,060.71 : 118,606.92 = 29,141.04 : x
  2. Step 2: Convert to fraction form
    79,060.71/118,606.92 = 29,141.04/x
  3. Step 3: Cross multiply
    79,060.71x = 118,606.92 × 29,141.04
  4. Step 4: Simplify right side
    79,060.71x = 3,456,329,000.00
  5. Step 5: Solve for x
    x = 3,456,329,000.00/79,060.71
  6. Step 6: Final answer
    x = 43,717.40

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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.