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Finding the Fourth Proportional to 202,291.29, 303,451.56 and 77,632.29

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Solution

The fourth proportional to 202,291.29, 303,451.56 and 77,632.29 is: 116,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,291.29 : 303,451.56 = 77,632.29 : x
  2. Step 2: Convert to fraction form
    202,291.29/303,451.56 = 77,632.29/x
  3. Step 3: Cross multiply
    202,291.29x = 303,451.56 × 77,632.29
  4. Step 4: Simplify right side
    202,291.29x = 23,557,639,506.87
  5. Step 5: Solve for x
    x = 23,557,639,506.87/202,291.29
  6. Step 6: Final answer
    x = 116,454.05

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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.