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Finding the Fourth Proportional to 79,841.65, 110,154.07 and 51,184.47

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Solution

The fourth proportional to 79,841.65, 110,154.07 and 51,184.47 is: 70,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841.65 : 110,154.07 = 51,184.47 : x
  2. Step 2: Convert to fraction form
    79,841.65/110,154.07 = 51,184.47/x
  3. Step 3: Cross multiply
    79,841.65x = 110,154.07 × 51,184.47
  4. Step 4: Simplify right side
    79,841.65x = 5,638,177,691.29
  5. Step 5: Solve for x
    x = 5,638,177,691.29/79,841.65
  6. Step 6: Final answer
    x = 70,617.00

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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.