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Finding the Fourth Proportional to 110,811, 152,865.90 and 65,476.92

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Solution

The fourth proportional to 110,811, 152,865.90 and 65,476.92 is: 90,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,811 : 152,865.90 = 65,476.92 : x
  2. Step 2: Convert to fraction form
    110,811/152,865.90 = 65,476.92/x
  3. Step 3: Cross multiply
    110,811x = 152,865.90 × 65,476.92
  4. Step 4: Simplify right side
    110,811x = 10,009,188,305.03
  5. Step 5: Solve for x
    x = 10,009,188,305.03/110,811
  6. Step 6: Final answer
    x = 90,326.67

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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.