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Finding the Fourth Proportional to 92,806.05, 127,874.51 and 62,538.80

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Solution

The fourth proportional to 92,806.05, 127,874.51 and 62,538.80 is: 86,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,806.05 : 127,874.51 = 62,538.80 : x
  2. Step 2: Convert to fraction form
    92,806.05/127,874.51 = 62,538.80/x
  3. Step 3: Cross multiply
    92,806.05x = 127,874.51 × 62,538.80
  4. Step 4: Simplify right side
    92,806.05x = 7,997,118,882.02
  5. Step 5: Solve for x
    x = 7,997,118,882.02/92,806.05
  6. Step 6: Final answer
    x = 86,170.23

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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.