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Finding the Fourth Proportional to 268,944.68, 371,152.86 and 148,094.30

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Solution

The fourth proportional to 268,944.68, 371,152.86 and 148,094.30 is: 204,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,944.68 : 371,152.86 = 148,094.30 : x
  2. Step 2: Convert to fraction form
    268,944.68/371,152.86 = 148,094.30/x
  3. Step 3: Cross multiply
    268,944.68x = 371,152.86 × 148,094.30
  4. Step 4: Simplify right side
    268,944.68x = 54,965,622,994.70
  5. Step 5: Solve for x
    x = 54,965,622,994.70/268,944.68
  6. Step 6: Final answer
    x = 204,375.20

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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.