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Finding the Fourth Proportional to 159,004.48, 219,426.34 and 87,382.96

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Solution

The fourth proportional to 159,004.48, 219,426.34 and 87,382.96 is: 120,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,004.48 : 219,426.34 = 87,382.96 : x
  2. Step 2: Convert to fraction form
    159,004.48/219,426.34 = 87,382.96/x
  3. Step 3: Cross multiply
    159,004.48x = 219,426.34 × 87,382.96
  4. Step 4: Simplify right side
    159,004.48x = 19,174,123,091.17
  5. Step 5: Solve for x
    x = 19,174,123,091.17/159,004.48
  6. Step 6: Final answer
    x = 120,588.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.