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Finding the Fourth Proportional to 202,356.16, 303,535.15 and 52,585.85

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Solution

The fourth proportional to 202,356.16, 303,535.15 and 52,585.85 is: 78,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,356.16 : 303,535.15 = 52,585.85 : x
  2. Step 2: Convert to fraction form
    202,356.16/303,535.15 = 52,585.85/x
  3. Step 3: Cross multiply
    202,356.16x = 303,535.15 × 52,585.85
  4. Step 4: Simplify right side
    202,356.16x = 15,961,653,867.63
  5. Step 5: Solve for x
    x = 15,961,653,867.63/202,356.16
  6. Step 6: Final answer
    x = 78,879.01

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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.