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Finding the Fourth Proportional to 110,912.56, 153,041.64 and 63,166.80

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Solution

The fourth proportional to 110,912.56, 153,041.64 and 63,166.80 is: 87,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,912.56 : 153,041.64 = 63,166.80 : x
  2. Step 2: Convert to fraction form
    110,912.56/153,041.64 = 63,166.80/x
  3. Step 3: Cross multiply
    110,912.56x = 153,041.64 × 63,166.80
  4. Step 4: Simplify right side
    110,912.56x = 9,667,150,665.55
  5. Step 5: Solve for x
    x = 9,667,150,665.55/110,912.56
  6. Step 6: Final answer
    x = 87,160.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.