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Finding the Fourth Proportional to 167,124.87, 250,763.85 and 72,384.03

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Solution

The fourth proportional to 167,124.87, 250,763.85 and 72,384.03 is: 108,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,124.87 : 250,763.85 = 72,384.03 : x
  2. Step 2: Convert to fraction form
    167,124.87/250,763.85 = 72,384.03/x
  3. Step 3: Cross multiply
    167,124.87x = 250,763.85 × 72,384.03
  4. Step 4: Simplify right side
    167,124.87x = 18,151,298,041.32
  5. Step 5: Solve for x
    x = 18,151,298,041.32/167,124.87
  6. Step 6: Final answer
    x = 108,609.20

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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.