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Finding the Fourth Proportional to 101,615.83, 140,253.17 and 67,625.74

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Solution

The fourth proportional to 101,615.83, 140,253.17 and 67,625.74 is: 93,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,615.83 : 140,253.17 = 67,625.74 : x
  2. Step 2: Convert to fraction form
    101,615.83/140,253.17 = 67,625.74/x
  3. Step 3: Cross multiply
    101,615.83x = 140,253.17 × 67,625.74
  4. Step 4: Simplify right side
    101,615.83x = 9,484,724,408.60
  5. Step 5: Solve for x
    x = 9,484,724,408.60/101,615.83
  6. Step 6: Final answer
    x = 93,339.04

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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.