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Finding the Fourth Proportional to 167,390.80, 250,852.92 and 125,789.20

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Solution

The fourth proportional to 167,390.80, 250,852.92 and 125,789.20 is: 188,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,390.80 : 250,852.92 = 125,789.20 : x
  2. Step 2: Convert to fraction form
    167,390.80/250,852.92 = 125,789.20/x
  3. Step 3: Cross multiply
    167,390.80x = 250,852.92 × 125,789.20
  4. Step 4: Simplify right side
    167,390.80x = 31,554,588,124.46
  5. Step 5: Solve for x
    x = 31,554,588,124.46/167,390.80
  6. Step 6: Final answer
    x = 188,508.50

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1.5x scale

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.