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Finding the Fourth Proportional to 159,311.47, 219,870.82 and 95,653.37

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Solution

The fourth proportional to 159,311.47, 219,870.82 and 95,653.37 is: 132,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,311.47 : 219,870.82 = 95,653.37 : x
  2. Step 2: Convert to fraction form
    159,311.47/219,870.82 = 95,653.37/x
  3. Step 3: Cross multiply
    159,311.47x = 219,870.82 × 95,653.37
  4. Step 4: Simplify right side
    159,311.47x = 21,031,383,798.31
  5. Step 5: Solve for x
    x = 21,031,383,798.31/159,311.47
  6. Step 6: Final answer
    x = 132,014.25

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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.