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Finding the Fourth Proportional to 239,253.72, 358,861.73 and 104,314.60

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Solution

The fourth proportional to 239,253.72, 358,861.73 and 104,314.60 is: 156,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,253.72 : 358,861.73 = 104,314.60 : x
  2. Step 2: Convert to fraction form
    239,253.72/358,861.73 = 104,314.60/x
  3. Step 3: Cross multiply
    239,253.72x = 358,861.73 × 104,314.60
  4. Step 4: Simplify right side
    239,253.72x = 37,434,517,820.26
  5. Step 5: Solve for x
    x = 37,434,517,820.26/239,253.72
  6. Step 6: Final answer
    x = 156,463.68

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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.