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Finding the Fourth Proportional to 79,718.33, 119,594.36 and 26,407.29

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Solution

The fourth proportional to 79,718.33, 119,594.36 and 26,407.29 is: 39,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718.33 : 119,594.36 = 26,407.29 : x
  2. Step 2: Convert to fraction form
    79,718.33/119,594.36 = 26,407.29/x
  3. Step 3: Cross multiply
    79,718.33x = 119,594.36 × 26,407.29
  4. Step 4: Simplify right side
    79,718.33x = 3,158,162,946.88
  5. Step 5: Solve for x
    x = 3,158,162,946.88/79,718.33
  6. Step 6: Final answer
    x = 39,616.52

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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.