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Finding the Fourth Proportional to 181,838.87, 250,919.67 and 101,273.90

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Solution

The fourth proportional to 181,838.87, 250,919.67 and 101,273.90 is: 139,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,838.87 : 250,919.67 = 101,273.90 : x
  2. Step 2: Convert to fraction form
    181,838.87/250,919.67 = 101,273.90/x
  3. Step 3: Cross multiply
    181,838.87x = 250,919.67 × 101,273.90
  4. Step 4: Simplify right side
    181,838.87x = 25,411,612,692.79
  5. Step 5: Solve for x
    x = 25,411,612,692.79/181,838.87
  6. Step 6: Final answer
    x = 139,747.97

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1.5x scale

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.