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Finding the Fourth Proportional to 159,365.56, 238,899.84 and 54,112.56

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Solution

The fourth proportional to 159,365.56, 238,899.84 and 54,112.56 is: 81,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,365.56 : 238,899.84 = 54,112.56 : x
  2. Step 2: Convert to fraction form
    159,365.56/238,899.84 = 54,112.56/x
  3. Step 3: Cross multiply
    159,365.56x = 238,899.84 × 54,112.56
  4. Step 4: Simplify right side
    159,365.56x = 12,927,481,925.99
  5. Step 5: Solve for x
    x = 12,927,481,925.99/159,365.56
  6. Step 6: Final answer
    x = 81,118.42

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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.