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Finding the Fourth Proportional to 89,856.34, 134,745.13 and 33,657.01

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Solution

The fourth proportional to 89,856.34, 134,745.13 and 33,657.01 is: 50,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856.34 : 134,745.13 = 33,657.01 : x
  2. Step 2: Convert to fraction form
    89,856.34/134,745.13 = 33,657.01/x
  3. Step 3: Cross multiply
    89,856.34x = 134,745.13 × 33,657.01
  4. Step 4: Simplify right side
    89,856.34x = 4,535,118,187.86
  5. Step 5: Solve for x
    x = 4,535,118,187.86/89,856.34
  6. Step 6: Final answer
    x = 50,470.76

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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.