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Finding the Fourth Proportional to 80,175.63, 110,569.28 and 68,841.57

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Solution

The fourth proportional to 80,175.63, 110,569.28 and 68,841.57 is: 94,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,175.63 : 110,569.28 = 68,841.57 : x
  2. Step 2: Convert to fraction form
    80,175.63/110,569.28 = 68,841.57/x
  3. Step 3: Cross multiply
    80,175.63x = 110,569.28 × 68,841.57
  4. Step 4: Simplify right side
    80,175.63x = 7,611,762,484.76
  5. Step 5: Solve for x
    x = 7,611,762,484.76/80,175.63
  6. Step 6: Final answer
    x = 94,938.61

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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.