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Finding the Fourth Proportional to 159,694.50, 239,043.50 and 117,622.08

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Solution

The fourth proportional to 159,694.50, 239,043.50 and 117,622.08 is: 176,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,694.50 : 239,043.50 = 117,622.08 : x
  2. Step 2: Convert to fraction form
    159,694.50/239,043.50 = 117,622.08/x
  3. Step 3: Cross multiply
    159,694.50x = 239,043.50 × 117,622.08
  4. Step 4: Simplify right side
    159,694.50x = 28,116,793,092.37
  5. Step 5: Solve for x
    x = 28,116,793,092.37/159,694.50
  6. Step 6: Final answer
    x = 176,066.13

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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.