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Finding the Fourth Proportional to 202,295.20, 303,564.30 and 83,954.20

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Solution

The fourth proportional to 202,295.20, 303,564.30 and 83,954.20 is: 125,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.20 : 303,564.30 = 83,954.20 : x
  2. Step 2: Convert to fraction form
    202,295.20/303,564.30 = 83,954.20/x
  3. Step 3: Cross multiply
    202,295.20x = 303,564.30 × 83,954.20
  4. Step 4: Simplify right side
    202,295.20x = 25,485,497,955.06
  5. Step 5: Solve for x
    x = 25,485,497,955.06/202,295.20
  6. Step 6: Final answer
    x = 125,981.72

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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.