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Finding the Fourth Proportional to 165,560.80, 248,350.80 and 47,240.80

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Solution

The fourth proportional to 165,560.80, 248,350.80 and 47,240.80 is: 70,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,560.80 : 248,350.80 = 47,240.80 : x
  2. Step 2: Convert to fraction form
    165,560.80/248,350.80 = 47,240.80/x
  3. Step 3: Cross multiply
    165,560.80x = 248,350.80 × 47,240.80
  4. Step 4: Simplify right side
    165,560.80x = 11,732,290,472.64
  5. Step 5: Solve for x
    x = 11,732,290,472.64/165,560.80
  6. Step 6: Final answer
    x = 70,863.94

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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.