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Finding the Fourth Proportional to 147,287.67, 203,251.17 and 90,022.92

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Solution

The fourth proportional to 147,287.67, 203,251.17 and 90,022.92 is: 124,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,287.67 : 203,251.17 = 90,022.92 : x
  2. Step 2: Convert to fraction form
    147,287.67/203,251.17 = 90,022.92/x
  3. Step 3: Cross multiply
    147,287.67x = 203,251.17 × 90,022.92
  4. Step 4: Simplify right side
    147,287.67x = 18,297,263,816.82
  5. Step 5: Solve for x
    x = 18,297,263,816.82/147,287.67
  6. Step 6: Final answer
    x = 124,228.08

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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.