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Finding the Fourth Proportional to 193,469.10, 290,106.45 and 88,169.10

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Solution

The fourth proportional to 193,469.10, 290,106.45 and 88,169.10 is: 132,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,469.10 : 290,106.45 = 88,169.10 : x
  2. Step 2: Convert to fraction form
    193,469.10/290,106.45 = 88,169.10/x
  3. Step 3: Cross multiply
    193,469.10x = 290,106.45 × 88,169.10
  4. Step 4: Simplify right side
    193,469.10x = 25,578,424,600.70
  5. Step 5: Solve for x
    x = 25,578,424,600.70/193,469.10
  6. Step 6: Final answer
    x = 132,209.35

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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.