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Finding the Fourth Proportional to 80,176.01, 110,569.79 and 68,841.95

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Solution

The fourth proportional to 80,176.01, 110,569.79 and 68,841.95 is: 94,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,176.01 : 110,569.79 = 68,841.95 : x
  2. Step 2: Convert to fraction form
    80,176.01/110,569.79 = 68,841.95/x
  3. Step 3: Cross multiply
    80,176.01x = 110,569.79 × 68,841.95
  4. Step 4: Simplify right side
    80,176.01x = 7,611,839,573.95
  5. Step 5: Solve for x
    x = 7,611,839,573.95/80,176.01
  6. Step 6: Final answer
    x = 94,939.12

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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.