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Finding the Fourth Proportional to 68,797.20, 103,301.40 and 37,693.20

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Solution

The fourth proportional to 68,797.20, 103,301.40 and 37,693.20 is: 56,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,797.20 : 103,301.40 = 37,693.20 : x
  2. Step 2: Convert to fraction form
    68,797.20/103,301.40 = 37,693.20/x
  3. Step 3: Cross multiply
    68,797.20x = 103,301.40 × 37,693.20
  4. Step 4: Simplify right side
    68,797.20x = 3,893,760,330.48
  5. Step 5: Solve for x
    x = 3,893,760,330.48/68,797.20
  6. Step 6: Final answer
    x = 56,597.66

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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.