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Finding the Fourth Proportional to 110,630.40, 166,010.40 and 40,516.80

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Solution

The fourth proportional to 110,630.40, 166,010.40 and 40,516.80 is: 60,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,630.40 : 166,010.40 = 40,516.80 : x
  2. Step 2: Convert to fraction form
    110,630.40/166,010.40 = 40,516.80/x
  3. Step 3: Cross multiply
    110,630.40x = 166,010.40 × 40,516.80
  4. Step 4: Simplify right side
    110,630.40x = 6,726,210,174.72
  5. Step 5: Solve for x
    x = 6,726,210,174.72/110,630.40
  6. Step 6: Final answer
    x = 60,798.93

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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.