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Finding the Fourth Proportional to 202,300.47, 303,489.72 and 77,631.75

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Solution

The fourth proportional to 202,300.47, 303,489.72 and 77,631.75 is: 116,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,300.47 : 303,489.72 = 77,631.75 : x
  2. Step 2: Convert to fraction form
    202,300.47/303,489.72 = 77,631.75/x
  3. Step 3: Cross multiply
    202,300.47x = 303,489.72 × 77,631.75
  4. Step 4: Simplify right side
    202,300.47x = 23,560,438,070.61
  5. Step 5: Solve for x
    x = 23,560,438,070.61/202,300.47
  6. Step 6: Final answer
    x = 116,462.60

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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.