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Finding the Fourth Proportional to 67,170, 92,695.14 and 37,362

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Solution

The fourth proportional to 67,170, 92,695.14 and 37,362 is: 51,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,170 : 92,695.14 = 37,362 : x
  2. Step 2: Convert to fraction form
    67,170/92,695.14 = 37,362/x
  3. Step 3: Cross multiply
    67,170x = 92,695.14 × 37,362
  4. Step 4: Simplify right side
    67,170x = 3,463,275,820.68
  5. Step 5: Solve for x
    x = 3,463,275,820.68/67,170
  6. Step 6: Final answer
    x = 51,559.86

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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.