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Finding the Fourth Proportional to 202,356.90, 303,535.35 and 127,233.45

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Solution

The fourth proportional to 202,356.90, 303,535.35 and 127,233.45 is: 190,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,356.90 : 303,535.35 = 127,233.45 : x
  2. Step 2: Convert to fraction form
    202,356.90/303,535.35 = 127,233.45/x
  3. Step 3: Cross multiply
    202,356.90x = 303,535.35 × 127,233.45
  4. Step 4: Simplify right side
    202,356.90x = 38,619,849,777.46
  5. Step 5: Solve for x
    x = 38,619,849,777.46/202,356.90
  6. Step 6: Final answer
    x = 190,850.18

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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.