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Finding the Fourth Proportional to 202,422.48, 303,469.65 and 84,182.32

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Solution

The fourth proportional to 202,422.48, 303,469.65 and 84,182.32 is: 126,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,422.48 : 303,469.65 = 84,182.32 : x
  2. Step 2: Convert to fraction form
    202,422.48/303,469.65 = 84,182.32/x
  3. Step 3: Cross multiply
    202,422.48x = 303,469.65 × 84,182.32
  4. Step 4: Simplify right side
    202,422.48x = 25,546,779,186.59
  5. Step 5: Solve for x
    x = 25,546,779,186.59/202,422.48
  6. Step 6: Final answer
    x = 126,205.25

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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.