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Finding the Fourth Proportional to 202,374.20, 303,561.30 and 123,642.20

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Solution

The fourth proportional to 202,374.20, 303,561.30 and 123,642.20 is: 185,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,374.20 : 303,561.30 = 123,642.20 : x
  2. Step 2: Convert to fraction form
    202,374.20/303,561.30 = 123,642.20/x
  3. Step 3: Cross multiply
    202,374.20x = 303,561.30 × 123,642.20
  4. Step 4: Simplify right side
    202,374.20x = 37,532,986,966.86
  5. Step 5: Solve for x
    x = 37,532,986,966.86/202,374.20
  6. Step 6: Final answer
    x = 185,463.30

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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.