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Finding the Fourth Proportional to 170,981, 235,953.78 and 95,536.52

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Solution

The fourth proportional to 170,981, 235,953.78 and 95,536.52 is: 131,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,981 : 235,953.78 = 95,536.52 : x
  2. Step 2: Convert to fraction form
    170,981/235,953.78 = 95,536.52/x
  3. Step 3: Cross multiply
    170,981x = 235,953.78 × 95,536.52
  4. Step 4: Simplify right side
    170,981x = 22,542,203,022.05
  5. Step 5: Solve for x
    x = 22,542,203,022.05/170,981
  6. Step 6: Final answer
    x = 131,840.40

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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.