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Finding the Fourth Proportional to 239,797.26, 359,695.65 and 71,316.90

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Solution

The fourth proportional to 239,797.26, 359,695.65 and 71,316.90 is: 106,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,797.26 : 359,695.65 = 71,316.90 : x
  2. Step 2: Convert to fraction form
    239,797.26/359,695.65 = 71,316.90/x
  3. Step 3: Cross multiply
    239,797.26x = 359,695.65 × 71,316.90
  4. Step 4: Simplify right side
    239,797.26x = 25,652,378,701.49
  5. Step 5: Solve for x
    x = 25,652,378,701.49/239,797.26
  6. Step 6: Final answer
    x = 106,975.28

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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.