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Finding the Fourth Proportional to 72,193.44, 108,277.74 and 19,607.16

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Solution

The fourth proportional to 72,193.44, 108,277.74 and 19,607.16 is: 29,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,193.44 : 108,277.74 = 19,607.16 : x
  2. Step 2: Convert to fraction form
    72,193.44/108,277.74 = 19,607.16/x
  3. Step 3: Cross multiply
    72,193.44x = 108,277.74 × 19,607.16
  4. Step 4: Simplify right side
    72,193.44x = 2,123,018,972.62
  5. Step 5: Solve for x
    x = 2,123,018,972.62/72,193.44
  6. Step 6: Final answer
    x = 29,407.37

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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.