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Finding the Fourth Proportional to 159,240.20, 238,821.87 and 46,889.87

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Solution

The fourth proportional to 159,240.20, 238,821.87 and 46,889.87 is: 70,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,240.20 : 238,821.87 = 46,889.87 : x
  2. Step 2: Convert to fraction form
    159,240.20/238,821.87 = 46,889.87/x
  3. Step 3: Cross multiply
    159,240.20x = 238,821.87 × 46,889.87
  4. Step 4: Simplify right side
    159,240.20x = 11,198,326,437.46
  5. Step 5: Solve for x
    x = 11,198,326,437.46/159,240.20
  6. Step 6: Final answer
    x = 70,323.49

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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.