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Finding the Fourth Proportional to 235,626.80, 353,323.41 and 83,801.12

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Solution

The fourth proportional to 235,626.80, 353,323.41 and 83,801.12 is: 125,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,626.80 : 353,323.41 = 83,801.12 : x
  2. Step 2: Convert to fraction form
    235,626.80/353,323.41 = 83,801.12/x
  3. Step 3: Cross multiply
    235,626.80x = 353,323.41 × 83,801.12
  4. Step 4: Simplify right side
    235,626.80x = 29,608,897,480.22
  5. Step 5: Solve for x
    x = 29,608,897,480.22/235,626.80
  6. Step 6: Final answer
    x = 125,660.14

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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.