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Finding the Fourth Proportional to 169,532.70, 254,363.85 and 166,875.90

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Solution

The fourth proportional to 169,532.70, 254,363.85 and 166,875.90 is: 250,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,532.70 : 254,363.85 = 166,875.90 : x
  2. Step 2: Convert to fraction form
    169,532.70/254,363.85 = 166,875.90/x
  3. Step 3: Cross multiply
    169,532.70x = 254,363.85 × 166,875.90
  4. Step 4: Simplify right side
    169,532.70x = 42,447,196,396.22
  5. Step 5: Solve for x
    x = 42,447,196,396.22/169,532.70
  6. Step 6: Final answer
    x = 250,377.63

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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.