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Finding the Fourth Proportional to 59,310, 81,862.38 and 34,174.08

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Solution

The fourth proportional to 59,310, 81,862.38 and 34,174.08 is: 47,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,310 : 81,862.38 = 34,174.08 : x
  2. Step 2: Convert to fraction form
    59,310/81,862.38 = 34,174.08/x
  3. Step 3: Cross multiply
    59,310x = 81,862.38 × 34,174.08
  4. Step 4: Simplify right side
    59,310x = 2,797,571,523.11
  5. Step 5: Solve for x
    x = 2,797,571,523.11/59,310
  6. Step 6: Final answer
    x = 47,168.63

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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.