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Finding the Fourth Proportional to 119,897.78, 179,722.73 and 44,965.08

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Solution

The fourth proportional to 119,897.78, 179,722.73 and 44,965.08 is: 67,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,897.78 : 179,722.73 = 44,965.08 : x
  2. Step 2: Convert to fraction form
    119,897.78/179,722.73 = 44,965.08/x
  3. Step 3: Cross multiply
    119,897.78x = 179,722.73 × 44,965.08
  4. Step 4: Simplify right side
    119,897.78x = 8,081,246,707.44
  5. Step 5: Solve for x
    x = 8,081,246,707.44/119,897.78
  6. Step 6: Final answer
    x = 67,401.14

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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.