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Finding the Fourth Proportional to 201,937.92, 278,674.56 and 117,104.28

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Solution

The fourth proportional to 201,937.92, 278,674.56 and 117,104.28 is: 161,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,937.92 : 278,674.56 = 117,104.28 : x
  2. Step 2: Convert to fraction form
    201,937.92/278,674.56 = 117,104.28/x
  3. Step 3: Cross multiply
    201,937.92x = 278,674.56 × 117,104.28
  4. Step 4: Simplify right side
    201,937.92x = 32,633,983,703.12
  5. Step 5: Solve for x
    x = 32,633,983,703.12/201,937.92
  6. Step 6: Final answer
    x = 161,604.04

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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.