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Finding the Fourth Proportional to 183,199.72, 274,797.40 and 103,243.72

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Solution

The fourth proportional to 183,199.72, 274,797.40 and 103,243.72 is: 154,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,199.72 : 274,797.40 = 103,243.72 : x
  2. Step 2: Convert to fraction form
    183,199.72/274,797.40 = 103,243.72/x
  3. Step 3: Cross multiply
    183,199.72x = 274,797.40 × 103,243.72
  4. Step 4: Simplify right side
    183,199.72x = 28,371,105,822.33
  5. Step 5: Solve for x
    x = 28,371,105,822.33/183,199.72
  6. Step 6: Final answer
    x = 154,864.35

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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.