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Finding the Fourth Proportional to 202,225.40, 303,374.55 and 83,908.70

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Solution

The fourth proportional to 202,225.40, 303,374.55 and 83,908.70 is: 125,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,225.40 : 303,374.55 = 83,908.70 : x
  2. Step 2: Convert to fraction form
    202,225.40/303,374.55 = 83,908.70/x
  3. Step 3: Cross multiply
    202,225.40x = 303,374.55 × 83,908.70
  4. Step 4: Simplify right side
    202,225.40x = 25,455,764,103.59
  5. Step 5: Solve for x
    x = 25,455,764,103.59/202,225.40
  6. Step 6: Final answer
    x = 125,878.17

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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.