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Finding the Fourth Proportional to 299,078.73, 412,726.95 and 163,110.24

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Solution

The fourth proportional to 299,078.73, 412,726.95 and 163,110.24 is: 225,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,078.73 : 412,726.95 = 163,110.24 : x
  2. Step 2: Convert to fraction form
    299,078.73/412,726.95 = 163,110.24/x
  3. Step 3: Cross multiply
    299,078.73x = 412,726.95 × 163,110.24
  4. Step 4: Simplify right side
    299,078.73x = 67,319,991,868.97
  5. Step 5: Solve for x
    x = 67,319,991,868.97/299,078.73
  6. Step 6: Final answer
    x = 225,091.21

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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.