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Finding the Fourth Proportional to 104,163.58, 155,334.90 and 92,681.83

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Solution

The fourth proportional to 104,163.58, 155,334.90 and 92,681.83 is: 138,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,163.58 : 155,334.90 = 92,681.83 : x
  2. Step 2: Convert to fraction form
    104,163.58/155,334.90 = 92,681.83/x
  3. Step 3: Cross multiply
    104,163.58x = 155,334.90 × 92,681.83
  4. Step 4: Simplify right side
    104,163.58x = 14,396,723,424.70
  5. Step 5: Solve for x
    x = 14,396,723,424.70/104,163.58
  6. Step 6: Final answer
    x = 138,212.64

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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.