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Finding the Fourth Proportional to 168,762, 233,082.90 and 114,953.70

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Solution

The fourth proportional to 168,762, 233,082.90 and 114,953.70 is: 158,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,762 : 233,082.90 = 114,953.70 : x
  2. Step 2: Convert to fraction form
    168,762/233,082.90 = 114,953.70/x
  3. Step 3: Cross multiply
    168,762x = 233,082.90 × 114,953.70
  4. Step 4: Simplify right side
    168,762x = 26,793,741,761.73
  5. Step 5: Solve for x
    x = 26,793,741,761.73/168,762
  6. Step 6: Final answer
    x = 158,766.44

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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.