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Finding the Fourth Proportional to 150,956.64, 208,324.44 and 90,537.12

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Solution

The fourth proportional to 150,956.64, 208,324.44 and 90,537.12 is: 124,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,956.64 : 208,324.44 = 90,537.12 : x
  2. Step 2: Convert to fraction form
    150,956.64/208,324.44 = 90,537.12/x
  3. Step 3: Cross multiply
    150,956.64x = 208,324.44 × 90,537.12
  4. Step 4: Simplify right side
    150,956.64x = 18,861,094,823.21
  5. Step 5: Solve for x
    x = 18,861,094,823.21/150,956.64
  6. Step 6: Final answer
    x = 124,943.79

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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.