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Finding the Fourth Proportional to 111,756.53, 154,223.17 and 60,769.29

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Solution

The fourth proportional to 111,756.53, 154,223.17 and 60,769.29 is: 83,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,756.53 : 154,223.17 = 60,769.29 : x
  2. Step 2: Convert to fraction form
    111,756.53/154,223.17 = 60,769.29/x
  3. Step 3: Cross multiply
    111,756.53x = 154,223.17 × 60,769.29
  4. Step 4: Simplify right side
    111,756.53x = 9,372,032,390.53
  5. Step 5: Solve for x
    x = 9,372,032,390.53/111,756.53
  6. Step 6: Final answer
    x = 83,861.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.