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Finding the Fourth Proportional to 144,765.64, 217,177.49 and 49,999.30

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Solution

The fourth proportional to 144,765.64, 217,177.49 and 49,999.30 is: 75,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,765.64 : 217,177.49 = 49,999.30 : x
  2. Step 2: Convert to fraction form
    144,765.64/217,177.49 = 49,999.30/x
  3. Step 3: Cross multiply
    144,765.64x = 217,177.49 × 49,999.30
  4. Step 4: Simplify right side
    144,765.64x = 10,858,722,475.76
  5. Step 5: Solve for x
    x = 10,858,722,475.76/144,765.64
  6. Step 6: Final answer
    x = 75,008.98

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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.