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Finding the Fourth Proportional to 159,118.94, 238,644.80 and 46,768.60

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Solution

The fourth proportional to 159,118.94, 238,644.80 and 46,768.60 is: 70,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,118.94 : 238,644.80 = 46,768.60 : x
  2. Step 2: Convert to fraction form
    159,118.94/238,644.80 = 46,768.60/x
  3. Step 3: Cross multiply
    159,118.94x = 238,644.80 × 46,768.60
  4. Step 4: Simplify right side
    159,118.94x = 11,161,083,433.13
  5. Step 5: Solve for x
    x = 11,161,083,433.13/159,118.94
  6. Step 6: Final answer
    x = 70,143.02

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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.