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Finding the Fourth Proportional to 202,325.30, 303,487.95 and 109,013.30

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Solution

The fourth proportional to 202,325.30, 303,487.95 and 109,013.30 is: 163,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,325.30 : 303,487.95 = 109,013.30 : x
  2. Step 2: Convert to fraction form
    202,325.30/303,487.95 = 109,013.30/x
  3. Step 3: Cross multiply
    202,325.30x = 303,487.95 × 109,013.30
  4. Step 4: Simplify right side
    202,325.30x = 33,084,222,939.74
  5. Step 5: Solve for x
    x = 33,084,222,939.74/202,325.30
  6. Step 6: Final answer
    x = 163,519.95

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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.