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Finding the Fourth Proportional to 169,299.20, 254,013.60 and 166,642.40

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Solution

The fourth proportional to 169,299.20, 254,013.60 and 166,642.40 is: 250,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,299.20 : 254,013.60 = 166,642.40 : x
  2. Step 2: Convert to fraction form
    169,299.20/254,013.60 = 166,642.40/x
  3. Step 3: Cross multiply
    169,299.20x = 254,013.60 × 166,642.40
  4. Step 4: Simplify right side
    169,299.20x = 42,329,435,936.64
  5. Step 5: Solve for x
    x = 42,329,435,936.64/169,299.20
  6. Step 6: Final answer
    x = 250,027.38

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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.