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Finding the Fourth Proportional to 72,855.99, 109,274.42 and 22,936.35

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Solution

The fourth proportional to 72,855.99, 109,274.42 and 22,936.35 is: 34,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,855.99 : 109,274.42 = 22,936.35 : x
  2. Step 2: Convert to fraction form
    72,855.99/109,274.42 = 22,936.35/x
  3. Step 3: Cross multiply
    72,855.99x = 109,274.42 × 22,936.35
  4. Step 4: Simplify right side
    72,855.99x = 2,506,356,314.50
  5. Step 5: Solve for x
    x = 2,506,356,314.50/72,855.99
  6. Step 6: Final answer
    x = 34,401.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.