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Finding the Fourth Proportional to 114,215.78, 157,615.86 and 63,227.42

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Solution

The fourth proportional to 114,215.78, 157,615.86 and 63,227.42 is: 87,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,215.78 : 157,615.86 = 63,227.42 : x
  2. Step 2: Convert to fraction form
    114,215.78/157,615.86 = 63,227.42/x
  3. Step 3: Cross multiply
    114,215.78x = 157,615.86 × 63,227.42
  4. Step 4: Simplify right side
    114,215.78x = 9,965,644,178.88
  5. Step 5: Solve for x
    x = 9,965,644,178.88/114,215.78
  6. Step 6: Final answer
    x = 87,252.78

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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.