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Finding the Fourth Proportional to 159,045, 238,568.52 and 46,724.76

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Solution

The fourth proportional to 159,045, 238,568.52 and 46,724.76 is: 70,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,045 : 238,568.52 = 46,724.76 : x
  2. Step 2: Convert to fraction form
    159,045/238,568.52 = 46,724.76/x
  3. Step 3: Cross multiply
    159,045x = 238,568.52 × 46,724.76
  4. Step 4: Simplify right side
    159,045x = 11,147,056,840.56
  5. Step 5: Solve for x
    x = 11,147,056,840.56/159,045
  6. Step 6: Final answer
    x = 70,087.44

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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.