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Finding the Fourth Proportional to 202,726.50, 303,794.50 and 97,422.45

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Solution

The fourth proportional to 202,726.50, 303,794.50 and 97,422.45 is: 145,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,726.50 : 303,794.50 = 97,422.45 : x
  2. Step 2: Convert to fraction form
    202,726.50/303,794.50 = 97,422.45/x
  3. Step 3: Cross multiply
    202,726.50x = 303,794.50 × 97,422.45
  4. Step 4: Simplify right side
    202,726.50x = 29,596,403,286.41
  5. Step 5: Solve for x
    x = 29,596,403,286.41/202,726.50
  6. Step 6: Final answer
    x = 145,991.79

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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.