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Finding the Fourth Proportional to 72,199.44, 108,309.42 and 22,283.64

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Solution

The fourth proportional to 72,199.44, 108,309.42 and 22,283.64 is: 33,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,199.44 : 108,309.42 = 22,283.64 : x
  2. Step 2: Convert to fraction form
    72,199.44/108,309.42 = 22,283.64/x
  3. Step 3: Cross multiply
    72,199.44x = 108,309.42 × 22,283.64
  4. Step 4: Simplify right side
    72,199.44x = 2,413,528,123.89
  5. Step 5: Solve for x
    x = 2,413,528,123.89/72,199.44
  6. Step 6: Final answer
    x = 33,428.63

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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.