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Finding the Fourth Proportional to 72,208.57, 108,273.20 and 22,274.84

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Solution

The fourth proportional to 72,208.57, 108,273.20 and 22,274.84 is: 33,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,208.57 : 108,273.20 = 22,274.84 : x
  2. Step 2: Convert to fraction form
    72,208.57/108,273.20 = 22,274.84/x
  3. Step 3: Cross multiply
    72,208.57x = 108,273.20 × 22,274.84
  4. Step 4: Simplify right side
    72,208.57x = 2,411,768,206.29
  5. Step 5: Solve for x
    x = 2,411,768,206.29/72,208.57
  6. Step 6: Final answer
    x = 33,400.03

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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.