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Finding the Fourth Proportional to 100,673.90, 151,010.85 and 41,479.10

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Solution

The fourth proportional to 100,673.90, 151,010.85 and 41,479.10 is: 62,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,673.90 : 151,010.85 = 41,479.10 : x
  2. Step 2: Convert to fraction form
    100,673.90/151,010.85 = 41,479.10/x
  3. Step 3: Cross multiply
    100,673.90x = 151,010.85 × 41,479.10
  4. Step 4: Simplify right side
    100,673.90x = 6,263,794,148.24
  5. Step 5: Solve for x
    x = 6,263,794,148.24/100,673.90
  6. Step 6: Final answer
    x = 62,218.65

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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.