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Finding the Fourth Proportional to 299,044.36, 412,686.66 and 163,079.92

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Solution

The fourth proportional to 299,044.36, 412,686.66 and 163,079.92 is: 225,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,044.36 : 412,686.66 = 163,079.92 : x
  2. Step 2: Convert to fraction form
    299,044.36/412,686.66 = 163,079.92/x
  3. Step 3: Cross multiply
    299,044.36x = 412,686.66 × 163,079.92
  4. Step 4: Simplify right side
    299,044.36x = 67,300,907,497.87
  5. Step 5: Solve for x
    x = 67,300,907,497.87/299,044.36
  6. Step 6: Final answer
    x = 225,053.26

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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.