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Finding the Fourth Proportional to 180,798.38, 271,248.34 and 66,944.46

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Solution

The fourth proportional to 180,798.38, 271,248.34 and 66,944.46 is: 100,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,798.38 : 271,248.34 = 66,944.46 : x
  2. Step 2: Convert to fraction form
    180,798.38/271,248.34 = 66,944.46/x
  3. Step 3: Cross multiply
    180,798.38x = 271,248.34 × 66,944.46
  4. Step 4: Simplify right side
    180,798.38x = 18,158,573,647.20
  5. Step 5: Solve for x
    x = 18,158,573,647.20/180,798.38
  6. Step 6: Final answer
    x = 100,435.49

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1.5x scale

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.