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Finding the Fourth Proportional to 202,266.90, 303,436.80 and 83,950.20

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Solution

The fourth proportional to 202,266.90, 303,436.80 and 83,950.20 is: 125,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,266.90 : 303,436.80 = 83,950.20 : x
  2. Step 2: Convert to fraction form
    202,266.90/303,436.80 = 83,950.20/x
  3. Step 3: Cross multiply
    202,266.90x = 303,436.80 × 83,950.20
  4. Step 4: Simplify right side
    202,266.90x = 25,473,580,047.36
  5. Step 5: Solve for x
    x = 25,473,580,047.36/202,266.90
  6. Step 6: Final answer
    x = 125,940.43

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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.