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Finding the Fourth Proportional to 118,841.77, 164,006.13 and 67,862.80

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Solution

The fourth proportional to 118,841.77, 164,006.13 and 67,862.80 is: 93,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,841.77 : 164,006.13 = 67,862.80 : x
  2. Step 2: Convert to fraction form
    118,841.77/164,006.13 = 67,862.80/x
  3. Step 3: Cross multiply
    118,841.77x = 164,006.13 × 67,862.80
  4. Step 4: Simplify right side
    118,841.77x = 11,129,915,198.96
  5. Step 5: Solve for x
    x = 11,129,915,198.96/118,841.77
  6. Step 6: Final answer
    x = 93,653.23

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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.