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Finding the Fourth Proportional to 250,353.76, 345,488.18 and 149,751.76

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Solution

The fourth proportional to 250,353.76, 345,488.18 and 149,751.76 is: 206,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,353.76 : 345,488.18 = 149,751.76 : x
  2. Step 2: Convert to fraction form
    250,353.76/345,488.18 = 149,751.76/x
  3. Step 3: Cross multiply
    250,353.76x = 345,488.18 × 149,751.76
  4. Step 4: Simplify right side
    250,353.76x = 51,737,463,014.20
  5. Step 5: Solve for x
    x = 51,737,463,014.20/250,353.76
  6. Step 6: Final answer
    x = 206,657.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.