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Finding the Fourth Proportional to 311,129.52, 466,694.24 and 89,513.52

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Solution

The fourth proportional to 311,129.52, 466,694.24 and 89,513.52 is: 134,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,129.52 : 466,694.24 = 89,513.52 : x
  2. Step 2: Convert to fraction form
    311,129.52/466,694.24 = 89,513.52/x
  3. Step 3: Cross multiply
    311,129.52x = 466,694.24 × 89,513.52
  4. Step 4: Simplify right side
    311,129.52x = 41,775,444,186.12
  5. Step 5: Solve for x
    x = 41,775,444,186.12/311,129.52
  6. Step 6: Final answer
    x = 134,270.27

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1.5x scale

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.