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Finding the Fourth Proportional to 75,295.54, 103,913.12 and 43,034.91

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Solution

The fourth proportional to 75,295.54, 103,913.12 and 43,034.91 is: 59,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295.54 : 103,913.12 = 43,034.91 : x
  2. Step 2: Convert to fraction form
    75,295.54/103,913.12 = 43,034.91/x
  3. Step 3: Cross multiply
    75,295.54x = 103,913.12 × 43,034.91
  4. Step 4: Simplify right side
    75,295.54x = 4,471,891,767.02
  5. Step 5: Solve for x
    x = 4,471,891,767.02/75,295.54
  6. Step 6: Final answer
    x = 59,391.19

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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.