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Finding the Fourth Proportional to 119,587.69, 179,279.70 and 52,991.49

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Solution

The fourth proportional to 119,587.69, 179,279.70 and 52,991.49 is: 79,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,587.69 : 179,279.70 = 52,991.49 : x
  2. Step 2: Convert to fraction form
    119,587.69/179,279.70 = 52,991.49/x
  3. Step 3: Cross multiply
    119,587.69x = 179,279.70 × 52,991.49
  4. Step 4: Simplify right side
    119,587.69x = 9,500,298,846.23
  5. Step 5: Solve for x
    x = 9,500,298,846.23/119,587.69
  6. Step 6: Final answer
    x = 79,442.11

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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.