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Finding the Fourth Proportional to 202,271.40, 303,443.55 and 83,954.70

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Solution

The fourth proportional to 202,271.40, 303,443.55 and 83,954.70 is: 125,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,271.40 : 303,443.55 = 83,954.70 : x
  2. Step 2: Convert to fraction form
    202,271.40/303,443.55 = 83,954.70/x
  3. Step 3: Cross multiply
    202,271.40x = 303,443.55 × 83,954.70
  4. Step 4: Simplify right side
    202,271.40x = 25,475,512,207.19
  5. Step 5: Solve for x
    x = 25,475,512,207.19/202,271.40
  6. Step 6: Final answer
    x = 125,947.18

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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.