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Finding the Fourth Proportional to 202,221.52, 303,077.10 and 102,406.84

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Solution

The fourth proportional to 202,221.52, 303,077.10 and 102,406.84 is: 153,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,221.52 : 303,077.10 = 102,406.84 : x
  2. Step 2: Convert to fraction form
    202,221.52/303,077.10 = 102,406.84/x
  3. Step 3: Cross multiply
    202,221.52x = 303,077.10 × 102,406.84
  4. Step 4: Simplify right side
    202,221.52x = 31,037,168,087.36
  5. Step 5: Solve for x
    x = 31,037,168,087.36/202,221.52
  6. Step 6: Final answer
    x = 153,481.03

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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.