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Finding the Fourth Proportional to 125,388.51, 188,082.13 and 44,395.62

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Solution

The fourth proportional to 125,388.51, 188,082.13 and 44,395.62 is: 66,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,388.51 : 188,082.13 = 44,395.62 : x
  2. Step 2: Convert to fraction form
    125,388.51/188,082.13 = 44,395.62/x
  3. Step 3: Cross multiply
    125,388.51x = 188,082.13 × 44,395.62
  4. Step 4: Simplify right side
    125,388.51x = 8,350,022,772.27
  5. Step 5: Solve for x
    x = 8,350,022,772.27/125,388.51
  6. Step 6: Final answer
    x = 66,593.21

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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.