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Finding the Fourth Proportional to 165,737.40, 248,313.30 and 160,255.80

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Solution

The fourth proportional to 165,737.40, 248,313.30 and 160,255.80 is: 240,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,737.40 : 248,313.30 = 160,255.80 : x
  2. Step 2: Convert to fraction form
    165,737.40/248,313.30 = 160,255.80/x
  3. Step 3: Cross multiply
    165,737.40x = 248,313.30 × 160,255.80
  4. Step 4: Simplify right side
    165,737.40x = 39,793,646,542.14
  5. Step 5: Solve for x
    x = 39,793,646,542.14/165,737.40
  6. Step 6: Final answer
    x = 240,100.58

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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.