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Finding the Fourth Proportional to 203,706.16, 305,116.44 and 124,581.04

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Solution

The fourth proportional to 203,706.16, 305,116.44 and 124,581.04 is: 186,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,706.16 : 305,116.44 = 124,581.04 : x
  2. Step 2: Convert to fraction form
    203,706.16/305,116.44 = 124,581.04/x
  3. Step 3: Cross multiply
    203,706.16x = 305,116.44 × 124,581.04
  4. Step 4: Simplify right side
    203,706.16x = 38,011,723,416.30
  5. Step 5: Solve for x
    x = 38,011,723,416.30/203,706.16
  6. Step 6: Final answer
    x = 186,600.76

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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.