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Finding the Fourth Proportional to 134,794.80, 201,792.84 and 99,891.12

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Solution

The fourth proportional to 134,794.80, 201,792.84 and 99,891.12 is: 149,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,794.80 : 201,792.84 = 99,891.12 : x
  2. Step 2: Convert to fraction form
    134,794.80/201,792.84 = 99,891.12/x
  3. Step 3: Cross multiply
    134,794.80x = 201,792.84 × 99,891.12
  4. Step 4: Simplify right side
    134,794.80x = 20,157,312,795.58
  5. Step 5: Solve for x
    x = 20,157,312,795.58/134,794.80
  6. Step 6: Final answer
    x = 149,540.73

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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.