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Finding the Fourth Proportional to 202,208.70, 303,562.65 and 127,328.70

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Solution

The fourth proportional to 202,208.70, 303,562.65 and 127,328.70 is: 191,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,208.70 : 303,562.65 = 127,328.70 : x
  2. Step 2: Convert to fraction form
    202,208.70/303,562.65 = 127,328.70/x
  3. Step 3: Cross multiply
    202,208.70x = 303,562.65 × 127,328.70
  4. Step 4: Simplify right side
    202,208.70x = 38,652,237,593.06
  5. Step 5: Solve for x
    x = 38,652,237,593.06/202,208.70
  6. Step 6: Final answer
    x = 191,150.22

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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.