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Finding the Fourth Proportional to 107,763.26, 148,713.26 and 62,467.54

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Solution

The fourth proportional to 107,763.26, 148,713.26 and 62,467.54 is: 86,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,763.26 : 148,713.26 = 62,467.54 : x
  2. Step 2: Convert to fraction form
    107,763.26/148,713.26 = 62,467.54/x
  3. Step 3: Cross multiply
    107,763.26x = 148,713.26 × 62,467.54
  4. Step 4: Simplify right side
    107,763.26x = 9,289,750,833.46
  5. Step 5: Solve for x
    x = 9,289,750,833.46/107,763.26
  6. Step 6: Final answer
    x = 86,205.18

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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.