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Finding the Fourth Proportional to 92,606.66, 138,918.17 and 26,047.34

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Solution

The fourth proportional to 92,606.66, 138,918.17 and 26,047.34 is: 39,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,606.66 : 138,918.17 = 26,047.34 : x
  2. Step 2: Convert to fraction form
    92,606.66/138,918.17 = 26,047.34/x
  3. Step 3: Cross multiply
    92,606.66x = 138,918.17 × 26,047.34
  4. Step 4: Simplify right side
    92,606.66x = 3,618,448,806.17
  5. Step 5: Solve for x
    x = 3,618,448,806.17/92,606.66
  6. Step 6: Final answer
    x = 39,073.31

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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.