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Finding the Fourth Proportional to 202,806.41, 279,897.17 and 117,923.46

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Solution

The fourth proportional to 202,806.41, 279,897.17 and 117,923.46 is: 162,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,806.41 : 279,897.17 = 117,923.46 : x
  2. Step 2: Convert to fraction form
    202,806.41/279,897.17 = 117,923.46/x
  3. Step 3: Cross multiply
    202,806.41x = 279,897.17 × 117,923.46
  4. Step 4: Simplify right side
    202,806.41x = 33,006,442,140.99
  5. Step 5: Solve for x
    x = 33,006,442,140.99/202,806.41
  6. Step 6: Final answer
    x = 162,748.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.