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Finding the Fourth Proportional to 80,148.54, 110,605.40 and 44,339.81

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Solution

The fourth proportional to 80,148.54, 110,605.40 and 44,339.81 is: 61,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,148.54 : 110,605.40 = 44,339.81 : x
  2. Step 2: Convert to fraction form
    80,148.54/110,605.40 = 44,339.81/x
  3. Step 3: Cross multiply
    80,148.54x = 110,605.40 × 44,339.81
  4. Step 4: Simplify right side
    80,148.54x = 4,904,221,812.52
  5. Step 5: Solve for x
    x = 4,904,221,812.52/80,148.54
  6. Step 6: Final answer
    x = 61,189.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.