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Finding the Fourth Proportional to 92,092.80, 137,466.88 and 79,029.12

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Solution

The fourth proportional to 92,092.80, 137,466.88 and 79,029.12 is: 117,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,092.80 : 137,466.88 = 79,029.12 : x
  2. Step 2: Convert to fraction form
    92,092.80/137,466.88 = 79,029.12/x
  3. Step 3: Cross multiply
    92,092.80x = 137,466.88 × 79,029.12
  4. Step 4: Simplify right side
    92,092.80x = 10,863,886,555.55
  5. Step 5: Solve for x
    x = 10,863,886,555.55/92,092.80
  6. Step 6: Final answer
    x = 117,966.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.