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Finding the Fourth Proportional to 171,367.20, 257,050.80 and 132,001.20

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Solution

The fourth proportional to 171,367.20, 257,050.80 and 132,001.20 is: 198,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,367.20 : 257,050.80 = 132,001.20 : x
  2. Step 2: Convert to fraction form
    171,367.20/257,050.80 = 132,001.20/x
  3. Step 3: Cross multiply
    171,367.20x = 257,050.80 × 132,001.20
  4. Step 4: Simplify right side
    171,367.20x = 33,931,014,060.96
  5. Step 5: Solve for x
    x = 33,931,014,060.96/171,367.20
  6. Step 6: Final answer
    x = 198,001.80

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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.