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Finding the Fourth Proportional to 239,953.44, 360,172.80 and 140,304

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Solution

The fourth proportional to 239,953.44, 360,172.80 and 140,304 is: 210,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,953.44 : 360,172.80 = 140,304 : x
  2. Step 2: Convert to fraction form
    239,953.44/360,172.80 = 140,304/x
  3. Step 3: Cross multiply
    239,953.44x = 360,172.80 × 140,304
  4. Step 4: Simplify right side
    239,953.44x = 50,533,684,531.20
  5. Step 5: Solve for x
    x = 50,533,684,531.20/239,953.44
  6. Step 6: Final answer
    x = 210,597.87

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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.