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Finding the Fourth Proportional to 96,391.44, 144,034.65 and 73,468.44

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Solution

The fourth proportional to 96,391.44, 144,034.65 and 73,468.44 is: 109,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,391.44 : 144,034.65 = 73,468.44 : x
  2. Step 2: Convert to fraction form
    96,391.44/144,034.65 = 73,468.44/x
  3. Step 3: Cross multiply
    96,391.44x = 144,034.65 × 73,468.44
  4. Step 4: Simplify right side
    96,391.44x = 10,582,001,041.45
  5. Step 5: Solve for x
    x = 10,582,001,041.45/96,391.44
  6. Step 6: Final answer
    x = 109,781.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.