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Finding the Fourth Proportional to 171,019.18, 255,276.36 and 150,819.00

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Solution

The fourth proportional to 171,019.18, 255,276.36 and 150,819.00 is: 225,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,019.18 : 255,276.36 = 150,819.00 : x
  2. Step 2: Convert to fraction form
    171,019.18/255,276.36 = 150,819.00/x
  3. Step 3: Cross multiply
    171,019.18x = 255,276.36 × 150,819.00
  4. Step 4: Simplify right side
    171,019.18x = 38,500,524,381.55
  5. Step 5: Solve for x
    x = 38,500,524,381.55/171,019.18
  6. Step 6: Final answer
    x = 225,124.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.