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Finding the Fourth Proportional to 238,576.67, 357,865.11 and 112,124.12

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Solution

The fourth proportional to 238,576.67, 357,865.11 and 112,124.12 is: 168,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,576.67 : 357,865.11 = 112,124.12 : x
  2. Step 2: Convert to fraction form
    238,576.67/357,865.11 = 112,124.12/x
  3. Step 3: Cross multiply
    238,576.67x = 357,865.11 × 112,124.12
  4. Step 4: Simplify right side
    238,576.67x = 40,125,310,537.45
  5. Step 5: Solve for x
    x = 40,125,310,537.45/238,576.67
  6. Step 6: Final answer
    x = 168,186.23

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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.