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Finding the Fourth Proportional to 168,227.70, 252,111.15 and 137,123.70

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Solution

The fourth proportional to 168,227.70, 252,111.15 and 137,123.70 is: 205,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,227.70 : 252,111.15 = 137,123.70 : x
  2. Step 2: Convert to fraction form
    168,227.70/252,111.15 = 137,123.70/x
  3. Step 3: Cross multiply
    168,227.70x = 252,111.15 × 137,123.70
  4. Step 4: Simplify right side
    168,227.70x = 34,570,413,699.26
  5. Step 5: Solve for x
    x = 34,570,413,699.26/168,227.70
  6. Step 6: Final answer
    x = 205,497.75

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1.5x scale

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.