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Finding the Fourth Proportional to 202,256.80, 303,494.55 and 83,940.10

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Solution

The fourth proportional to 202,256.80, 303,494.55 and 83,940.10 is: 125,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,256.80 : 303,494.55 = 83,940.10 : x
  2. Step 2: Convert to fraction form
    202,256.80/303,494.55 = 83,940.10/x
  3. Step 3: Cross multiply
    202,256.80x = 303,494.55 × 83,940.10
  4. Step 4: Simplify right side
    202,256.80x = 25,475,362,876.46
  5. Step 5: Solve for x
    x = 25,475,362,876.46/202,256.80
  6. Step 6: Final answer
    x = 125,955.53

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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.