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Finding the Fourth Proportional to 416,929.68, 625,388.37 and 132,637.45

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Solution

The fourth proportional to 416,929.68, 625,388.37 and 132,637.45 is: 198,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,929.68 : 625,388.37 = 132,637.45 : x
  2. Step 2: Convert to fraction form
    416,929.68/625,388.37 = 132,637.45/x
  3. Step 3: Cross multiply
    416,929.68x = 625,388.37 × 132,637.45
  4. Step 4: Simplify right side
    416,929.68x = 82,949,918,141.24
  5. Step 5: Solve for x
    x = 82,949,918,141.24/416,929.68
  6. Step 6: Final answer
    x = 198,954.22

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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.