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Finding the Fourth Proportional to 110,683.80, 166,004.10 and 36,811.80

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Solution

The fourth proportional to 110,683.80, 166,004.10 and 36,811.80 is: 55,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,683.80 : 166,004.10 = 36,811.80 : x
  2. Step 2: Convert to fraction form
    110,683.80/166,004.10 = 36,811.80/x
  3. Step 3: Cross multiply
    110,683.80x = 166,004.10 × 36,811.80
  4. Step 4: Simplify right side
    110,683.80x = 6,110,909,728.38
  5. Step 5: Solve for x
    x = 6,110,909,728.38/110,683.80
  6. Step 6: Final answer
    x = 55,210.52

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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.