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Finding the Fourth Proportional to 185,896.88, 278,722.04 and 67,554.16

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Solution

The fourth proportional to 185,896.88, 278,722.04 and 67,554.16 is: 101,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,896.88 : 278,722.04 = 67,554.16 : x
  2. Step 2: Convert to fraction form
    185,896.88/278,722.04 = 67,554.16/x
  3. Step 3: Cross multiply
    185,896.88x = 278,722.04 × 67,554.16
  4. Step 4: Simplify right side
    185,896.88x = 18,828,833,285.69
  5. Step 5: Solve for x
    x = 18,828,833,285.69/185,896.88
  6. Step 6: Final answer
    x = 101,286.44

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1.5x scale

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.