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Finding the Fourth Proportional to 239,728.32, 359,583.84 and 73,512

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Solution

The fourth proportional to 239,728.32, 359,583.84 and 73,512 is: 110,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,728.32 : 359,583.84 = 73,512 : x
  2. Step 2: Convert to fraction form
    239,728.32/359,583.84 = 73,512/x
  3. Step 3: Cross multiply
    239,728.32x = 359,583.84 × 73,512
  4. Step 4: Simplify right side
    239,728.32x = 26,433,727,246.08
  5. Step 5: Solve for x
    x = 26,433,727,246.08/239,728.32
  6. Step 6: Final answer
    x = 110,265.35

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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.