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Finding the Fourth Proportional to 239,517.10, 359,275.72 and 97,439.68

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Solution

The fourth proportional to 239,517.10, 359,275.72 and 97,439.68 is: 146,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,517.10 : 359,275.72 = 97,439.68 : x
  2. Step 2: Convert to fraction form
    239,517.10/359,275.72 = 97,439.68/x
  3. Step 3: Cross multiply
    239,517.10x = 359,275.72 × 97,439.68
  4. Step 4: Simplify right side
    239,517.10x = 35,007,709,555.84
  5. Step 5: Solve for x
    x = 35,007,709,555.84/239,517.10
  6. Step 6: Final answer
    x = 146,159.54

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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.