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Finding the Fourth Proportional to 162,820.33, 224,708.72 and 93,912.48

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Solution

The fourth proportional to 162,820.33, 224,708.72 and 93,912.48 is: 129,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,820.33 : 224,708.72 = 93,912.48 : x
  2. Step 2: Convert to fraction form
    162,820.33/224,708.72 = 93,912.48/x
  3. Step 3: Cross multiply
    162,820.33x = 224,708.72 × 93,912.48
  4. Step 4: Simplify right side
    162,820.33x = 21,102,952,703.26
  5. Step 5: Solve for x
    x = 21,102,952,703.26/162,820.33
  6. Step 6: Final answer
    x = 129,608.83

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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.