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Finding the Fourth Proportional to 183,963.22, 253,705.43 and 119,370.78

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Solution

The fourth proportional to 183,963.22, 253,705.43 and 119,370.78 is: 164,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,963.22 : 253,705.43 = 119,370.78 : x
  2. Step 2: Convert to fraction form
    183,963.22/253,705.43 = 119,370.78/x
  3. Step 3: Cross multiply
    183,963.22x = 253,705.43 × 119,370.78
  4. Step 4: Simplify right side
    183,963.22x = 30,285,015,367.76
  5. Step 5: Solve for x
    x = 30,285,015,367.76/183,963.22
  6. Step 6: Final answer
    x = 164,625.38

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1.5x scale

Why These Related Problems?

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