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Finding the Fourth Proportional to 299,125.60, 412,794.62 and 163,162.47

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Solution

The fourth proportional to 299,125.60, 412,794.62 and 163,162.47 is: 225,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,125.60 : 412,794.62 = 163,162.47 : x
  2. Step 2: Convert to fraction form
    299,125.60/412,794.62 = 163,162.47/x
  3. Step 3: Cross multiply
    299,125.60x = 412,794.62 × 163,162.47
  4. Step 4: Simplify right side
    299,125.60x = 67,352,589,801.91
  5. Step 5: Solve for x
    x = 67,352,589,801.91/299,125.60
  6. Step 6: Final answer
    x = 225,164.91

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1.5x scale

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.