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Finding the Fourth Proportional to 202,282.44, 303,462.72 and 77,613.72

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Solution

The fourth proportional to 202,282.44, 303,462.72 and 77,613.72 is: 116,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,282.44 : 303,462.72 = 77,613.72 : x
  2. Step 2: Convert to fraction form
    202,282.44/303,462.72 = 77,613.72/x
  3. Step 3: Cross multiply
    202,282.44x = 303,462.72 × 77,613.72
  4. Step 4: Simplify right side
    202,282.44x = 23,552,870,580.52
  5. Step 5: Solve for x
    x = 23,552,870,580.52/202,282.44
  6. Step 6: Final answer
    x = 116,435.57

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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.