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Finding the Fourth Proportional to 236,471.10, 354,706.65 and 165,612.30

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Solution

The fourth proportional to 236,471.10, 354,706.65 and 165,612.30 is: 248,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,471.10 : 354,706.65 = 165,612.30 : x
  2. Step 2: Convert to fraction form
    236,471.10/354,706.65 = 165,612.30/x
  3. Step 3: Cross multiply
    236,471.10x = 354,706.65 × 165,612.30
  4. Step 4: Simplify right side
    236,471.10x = 58,743,784,131.80
  5. Step 5: Solve for x
    x = 58,743,784,131.80/236,471.10
  6. Step 6: Final answer
    x = 248,418.45

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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.