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Finding the Fourth Proportional to 134,508.36, 201,645.66 and 67,893

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Solution

The fourth proportional to 134,508.36, 201,645.66 and 67,893 is: 101,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,508.36 : 201,645.66 = 67,893 : x
  2. Step 2: Convert to fraction form
    134,508.36/201,645.66 = 67,893/x
  3. Step 3: Cross multiply
    134,508.36x = 201,645.66 × 67,893
  4. Step 4: Simplify right side
    134,508.36x = 13,690,328,794.38
  5. Step 5: Solve for x
    x = 13,690,328,794.38/134,508.36
  6. Step 6: Final answer
    x = 101,780.50

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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.