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Finding the Fourth Proportional to 183,228, 274,876.55 and 69,409.88

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Solution

The fourth proportional to 183,228, 274,876.55 and 69,409.88 is: 104,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,228 : 274,876.55 = 69,409.88 : x
  2. Step 2: Convert to fraction form
    183,228/274,876.55 = 69,409.88/x
  3. Step 3: Cross multiply
    183,228x = 274,876.55 × 69,409.88
  4. Step 4: Simplify right side
    183,228x = 19,079,148,350.31
  5. Step 5: Solve for x
    x = 19,079,148,350.31/183,228
  6. Step 6: Final answer
    x = 104,127.91

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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.