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Finding the Fourth Proportional to 235,972.60, 353,896.98 and 161,078.92

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Solution

The fourth proportional to 235,972.60, 353,896.98 and 161,078.92 is: 241,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,972.60 : 353,896.98 = 161,078.92 : x
  2. Step 2: Convert to fraction form
    235,972.60/353,896.98 = 161,078.92/x
  3. Step 3: Cross multiply
    235,972.60x = 353,896.98 × 161,078.92
  4. Step 4: Simplify right side
    235,972.60x = 57,005,343,329.66
  5. Step 5: Solve for x
    x = 57,005,343,329.66/235,972.60
  6. Step 6: Final answer
    x = 241,576.11

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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.