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Finding the Fourth Proportional to 110,144.93, 165,237.44 and 72,736.29

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Solution

The fourth proportional to 110,144.93, 165,237.44 and 72,736.29 is: 109,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,144.93 : 165,237.44 = 72,736.29 : x
  2. Step 2: Convert to fraction form
    110,144.93/165,237.44 = 72,736.29/x
  3. Step 3: Cross multiply
    110,144.93x = 165,237.44 × 72,736.29
  4. Step 4: Simplify right side
    110,144.93x = 12,018,757,991.02
  5. Step 5: Solve for x
    x = 12,018,757,991.02/110,144.93
  6. Step 6: Final answer
    x = 109,117.67

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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.