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Finding the Fourth Proportional to 231,285.77, 319,227.71 and 150,572.75

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Solution

The fourth proportional to 231,285.77, 319,227.71 and 150,572.75 is: 207,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,285.77 : 319,227.71 = 150,572.75 : x
  2. Step 2: Convert to fraction form
    231,285.77/319,227.71 = 150,572.75/x
  3. Step 3: Cross multiply
    231,285.77x = 319,227.71 × 150,572.75
  4. Step 4: Simplify right side
    231,285.77x = 48,066,993,418.04
  5. Step 5: Solve for x
    x = 48,066,993,418.04/231,285.77
  6. Step 6: Final answer
    x = 207,825.12

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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.