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Finding the Fourth Proportional to 159,367.59, 238,995.66 and 47,017.98

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Solution

The fourth proportional to 159,367.59, 238,995.66 and 47,017.98 is: 70,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,367.59 : 238,995.66 = 47,017.98 : x
  2. Step 2: Convert to fraction form
    159,367.59/238,995.66 = 47,017.98/x
  3. Step 3: Cross multiply
    159,367.59x = 238,995.66 × 47,017.98
  4. Step 4: Simplify right side
    159,367.59x = 11,237,093,161.97
  5. Step 5: Solve for x
    x = 11,237,093,161.97/159,367.59
  6. Step 6: Final answer
    x = 70,510.53

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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.