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Finding the Fourth Proportional to 253,761.80, 349,627.38 and 167,567.72

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Solution

The fourth proportional to 253,761.80, 349,627.38 and 167,567.72 is: 230,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,761.80 : 349,627.38 = 167,567.72 : x
  2. Step 2: Convert to fraction form
    253,761.80/349,627.38 = 167,567.72/x
  3. Step 3: Cross multiply
    253,761.80x = 349,627.38 × 167,567.72
  4. Step 4: Simplify right side
    253,761.80x = 58,586,262,916.17
  5. Step 5: Solve for x
    x = 58,586,262,916.17/253,761.80
  6. Step 6: Final answer
    x = 230,871.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.