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Finding the Fourth Proportional to 67,481.61, 101,010.14 and 46,297.78

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Solution

The fourth proportional to 67,481.61, 101,010.14 and 46,297.78 is: 69,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.61 : 101,010.14 = 46,297.78 : x
  2. Step 2: Convert to fraction form
    67,481.61/101,010.14 = 46,297.78/x
  3. Step 3: Cross multiply
    67,481.61x = 101,010.14 × 46,297.78
  4. Step 4: Simplify right side
    67,481.61x = 4,676,545,102.71
  5. Step 5: Solve for x
    x = 4,676,545,102.71/67,481.61
  6. Step 6: Final answer
    x = 69,301.03

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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.