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Finding the Fourth Proportional to 110,683.91, 166,025.87 and 105,305.94

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Solution

The fourth proportional to 110,683.91, 166,025.87 and 105,305.94 is: 157,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,683.91 : 166,025.87 = 105,305.94 : x
  2. Step 2: Convert to fraction form
    110,683.91/166,025.87 = 105,305.94/x
  3. Step 3: Cross multiply
    110,683.91x = 166,025.87 × 105,305.94
  4. Step 4: Simplify right side
    110,683.91x = 17,483,510,343.81
  5. Step 5: Solve for x
    x = 17,483,510,343.81/110,683.91
  6. Step 6: Final answer
    x = 157,958.91

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1.5x scale

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.