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Finding the Fourth Proportional to 101,953.44, 140,696.67 and 59,503.74

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Solution

The fourth proportional to 101,953.44, 140,696.67 and 59,503.74 is: 82,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,953.44 : 140,696.67 = 59,503.74 : x
  2. Step 2: Convert to fraction form
    101,953.44/140,696.67 = 59,503.74/x
  3. Step 3: Cross multiply
    101,953.44x = 140,696.67 × 59,503.74
  4. Step 4: Simplify right side
    101,953.44x = 8,371,978,070.55
  5. Step 5: Solve for x
    x = 8,371,978,070.55/101,953.44
  6. Step 6: Final answer
    x = 82,115.70

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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.