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Finding the Fourth Proportional to 159,339.84, 239,050.77 and 47,015.52

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Solution

The fourth proportional to 159,339.84, 239,050.77 and 47,015.52 is: 70,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,339.84 : 239,050.77 = 47,015.52 : x
  2. Step 2: Convert to fraction form
    159,339.84/239,050.77 = 47,015.52/x
  3. Step 3: Cross multiply
    159,339.84x = 239,050.77 × 47,015.52
  4. Step 4: Simplify right side
    159,339.84x = 11,239,096,257.95
  5. Step 5: Solve for x
    x = 11,239,096,257.95/159,339.84
  6. Step 6: Final answer
    x = 70,535.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.