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Finding the Fourth Proportional to 72,175.77, 108,256.69 and 22,242.46

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Solution

The fourth proportional to 72,175.77, 108,256.69 and 22,242.46 is: 33,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,175.77 : 108,256.69 = 22,242.46 : x
  2. Step 2: Convert to fraction form
    72,175.77/108,256.69 = 22,242.46/x
  3. Step 3: Cross multiply
    72,175.77x = 108,256.69 × 22,242.46
  4. Step 4: Simplify right side
    72,175.77x = 2,407,895,097.06
  5. Step 5: Solve for x
    x = 2,407,895,097.06/72,175.77
  6. Step 6: Final answer
    x = 33,361.54

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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.