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Finding the Fourth Proportional to 112,525.84, 168,642.15 and 100,610.20

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Solution

The fourth proportional to 112,525.84, 168,642.15 and 100,610.20 is: 150,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,525.84 : 168,642.15 = 100,610.20 : x
  2. Step 2: Convert to fraction form
    112,525.84/168,642.15 = 100,610.20/x
  3. Step 3: Cross multiply
    112,525.84x = 168,642.15 × 100,610.20
  4. Step 4: Simplify right side
    112,525.84x = 16,967,120,439.93
  5. Step 5: Solve for x
    x = 16,967,120,439.93/112,525.84
  6. Step 6: Final answer
    x = 150,784.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.