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Finding the Fourth Proportional to 108,405.58, 162,618.09 and 29,520.22

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Solution

The fourth proportional to 108,405.58, 162,618.09 and 29,520.22 is: 44,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,405.58 : 162,618.09 = 29,520.22 : x
  2. Step 2: Convert to fraction form
    108,405.58/162,618.09 = 29,520.22/x
  3. Step 3: Cross multiply
    108,405.58x = 162,618.09 × 29,520.22
  4. Step 4: Simplify right side
    108,405.58x = 4,800,521,792.78
  5. Step 5: Solve for x
    x = 4,800,521,792.78/108,405.58
  6. Step 6: Final answer
    x = 44,282.98

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1.5x scale

Why These Related Problems?

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