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Finding the Fourth Proportional to 167,352.20, 250,688.10 and 103,977.80

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Solution

The fourth proportional to 167,352.20, 250,688.10 and 103,977.80 is: 155,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,352.20 : 250,688.10 = 103,977.80 : x
  2. Step 2: Convert to fraction form
    167,352.20/250,688.10 = 103,977.80/x
  3. Step 3: Cross multiply
    167,352.20x = 250,688.10 × 103,977.80
  4. Step 4: Simplify right side
    167,352.20x = 26,065,997,124.18
  5. Step 5: Solve for x
    x = 26,065,997,124.18/167,352.20
  6. Step 6: Final answer
    x = 155,755.33

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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.