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Finding the Fourth Proportional to 79,341.52, 119,012.72 and 26,751.52

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Solution

The fourth proportional to 79,341.52, 119,012.72 and 26,751.52 is: 40,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,341.52 : 119,012.72 = 26,751.52 : x
  2. Step 2: Convert to fraction form
    79,341.52/119,012.72 = 26,751.52/x
  3. Step 3: Cross multiply
    79,341.52x = 119,012.72 × 26,751.52
  4. Step 4: Simplify right side
    79,341.52x = 3,183,771,159.33
  5. Step 5: Solve for x
    x = 3,183,771,159.33/79,341.52
  6. Step 6: Final answer
    x = 40,127.43

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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.