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Finding the Fourth Proportional to 202,053.43, 303,069.16 and 61,812.05

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Solution

The fourth proportional to 202,053.43, 303,069.16 and 61,812.05 is: 92,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,053.43 : 303,069.16 = 61,812.05 : x
  2. Step 2: Convert to fraction form
    202,053.43/303,069.16 = 61,812.05/x
  3. Step 3: Cross multiply
    202,053.43x = 303,069.16 × 61,812.05
  4. Step 4: Simplify right side
    202,053.43x = 18,733,326,071.38
  5. Step 5: Solve for x
    x = 18,733,326,071.38/202,053.43
  6. Step 6: Final answer
    x = 92,714.71

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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.