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Finding the Fourth Proportional to 159,195.42, 219,700.17 and 94,647.42

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Solution

The fourth proportional to 159,195.42, 219,700.17 and 94,647.42 is: 130,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,195.42 : 219,700.17 = 94,647.42 : x
  2. Step 2: Convert to fraction form
    159,195.42/219,700.17 = 94,647.42/x
  3. Step 3: Cross multiply
    159,195.42x = 219,700.17 × 94,647.42
  4. Step 4: Simplify right side
    159,195.42x = 20,794,054,264.06
  5. Step 5: Solve for x
    x = 20,794,054,264.06/159,195.42
  6. Step 6: Final answer
    x = 130,619.68

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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.