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Finding the Fourth Proportional to 72,133.63, 108,201.26 and 22,213.33

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Solution

The fourth proportional to 72,133.63, 108,201.26 and 22,213.33 is: 33,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,133.63 : 108,201.26 = 22,213.33 : x
  2. Step 2: Convert to fraction form
    72,133.63/108,201.26 = 22,213.33/x
  3. Step 3: Cross multiply
    72,133.63x = 108,201.26 × 22,213.33
  4. Step 4: Simplify right side
    72,133.63x = 2,403,510,294.80
  5. Step 5: Solve for x
    x = 2,403,510,294.80/72,133.63
  6. Step 6: Final answer
    x = 33,320.25

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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.