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Finding the Fourth Proportional to 168,939, 233,135.82 and 93,498.84

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Solution

The fourth proportional to 168,939, 233,135.82 and 93,498.84 is: 129,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,939 : 233,135.82 = 93,498.84 : x
  2. Step 2: Convert to fraction form
    168,939/233,135.82 = 93,498.84/x
  3. Step 3: Cross multiply
    168,939x = 233,135.82 × 93,498.84
  4. Step 4: Simplify right side
    168,939x = 21,797,928,732.45
  5. Step 5: Solve for x
    x = 21,797,928,732.45/168,939
  6. Step 6: Final answer
    x = 129,028.40

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1.5x scale

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.