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Finding the Fourth Proportional to 144,790.96, 217,133.20 and 49,997.12

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Solution

The fourth proportional to 144,790.96, 217,133.20 and 49,997.12 is: 74,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,790.96 : 217,133.20 = 49,997.12 : x
  2. Step 2: Convert to fraction form
    144,790.96/217,133.20 = 49,997.12/x
  3. Step 3: Cross multiply
    144,790.96x = 217,133.20 × 49,997.12
  4. Step 4: Simplify right side
    144,790.96x = 10,856,034,656.38
  5. Step 5: Solve for x
    x = 10,856,034,656.38/144,790.96
  6. Step 6: Final answer
    x = 74,977.30

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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.