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Finding the Fourth Proportional to 117,324.80, 162,001.44 and 108,369.08

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Solution

The fourth proportional to 117,324.80, 162,001.44 and 108,369.08 is: 149,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,324.80 : 162,001.44 = 108,369.08 : x
  2. Step 2: Convert to fraction form
    117,324.80/162,001.44 = 108,369.08/x
  3. Step 3: Cross multiply
    117,324.80x = 162,001.44 × 108,369.08
  4. Step 4: Simplify right side
    117,324.80x = 17,555,947,011.48
  5. Step 5: Solve for x
    x = 17,555,947,011.48/117,324.80
  6. Step 6: Final answer
    x = 149,635.43

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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.