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Finding the Fourth Proportional to 202,097.93, 303,063.50 and 68,988.92

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Solution

The fourth proportional to 202,097.93, 303,063.50 and 68,988.92 is: 103,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,097.93 : 303,063.50 = 68,988.92 : x
  2. Step 2: Convert to fraction form
    202,097.93/303,063.50 = 68,988.92/x
  3. Step 3: Cross multiply
    202,097.93x = 303,063.50 × 68,988.92
  4. Step 4: Simplify right side
    202,097.93x = 20,908,021,696.16
  5. Step 5: Solve for x
    x = 20,908,021,696.16/202,097.93
  6. Step 6: Final answer
    x = 103,454.91

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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.