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Finding the Fourth Proportional to 202,240.30, 303,360.45 and 108,928.30

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Solution

The fourth proportional to 202,240.30, 303,360.45 and 108,928.30 is: 163,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,240.30 : 303,360.45 = 108,928.30 : x
  2. Step 2: Convert to fraction form
    202,240.30/303,360.45 = 108,928.30/x
  3. Step 3: Cross multiply
    202,240.30x = 303,360.45 × 108,928.30
  4. Step 4: Simplify right side
    202,240.30x = 33,044,538,105.74
  5. Step 5: Solve for x
    x = 33,044,538,105.74/202,240.30
  6. Step 6: Final answer
    x = 163,392.45

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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.