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Finding the Fourth Proportional to 67,166.49, 92,712.51 and 41,687.77

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Solution

The fourth proportional to 67,166.49, 92,712.51 and 41,687.77 is: 57,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,166.49 : 92,712.51 = 41,687.77 : x
  2. Step 2: Convert to fraction form
    67,166.49/92,712.51 = 41,687.77/x
  3. Step 3: Cross multiply
    67,166.49x = 92,712.51 × 41,687.77
  4. Step 4: Simplify right side
    67,166.49x = 3,864,977,329.44
  5. Step 5: Solve for x
    x = 3,864,977,329.44/67,166.49
  6. Step 6: Final answer
    x = 57,543.24

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1.5x scale

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.