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Finding the Fourth Proportional to 79,743.80, 119,411.58 and 44,518.52

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Solution

The fourth proportional to 79,743.80, 119,411.58 and 44,518.52 is: 66,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,743.80 : 119,411.58 = 44,518.52 : x
  2. Step 2: Convert to fraction form
    79,743.80/119,411.58 = 44,518.52/x
  3. Step 3: Cross multiply
    79,743.80x = 119,411.58 × 44,518.52
  4. Step 4: Simplify right side
    79,743.80x = 5,316,026,812.46
  5. Step 5: Solve for x
    x = 5,316,026,812.46/79,743.80
  6. Step 6: Final answer
    x = 66,663.83

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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.