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Finding the Fourth Proportional to 202,192.90, 303,278.41 and 61,951.93

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Solution

The fourth proportional to 202,192.90, 303,278.41 and 61,951.93 is: 92,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,192.90 : 303,278.41 = 61,951.93 : x
  2. Step 2: Convert to fraction form
    202,192.90/303,278.41 = 61,951.93/x
  3. Step 3: Cross multiply
    202,192.90x = 303,278.41 × 61,951.93
  4. Step 4: Simplify right side
    202,192.90x = 18,788,681,913.76
  5. Step 5: Solve for x
    x = 18,788,681,913.76/202,192.90
  6. Step 6: Final answer
    x = 92,924.54

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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.