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Finding the Fourth Proportional to 108,496.86, 162,745.28 and 29,613.18

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Solution

The fourth proportional to 108,496.86, 162,745.28 and 29,613.18 is: 44,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,496.86 : 162,745.28 = 29,613.18 : x
  2. Step 2: Convert to fraction form
    108,496.86/162,745.28 = 29,613.18/x
  3. Step 3: Cross multiply
    108,496.86x = 162,745.28 × 29,613.18
  4. Step 4: Simplify right side
    108,496.86x = 4,819,405,270.79
  5. Step 5: Solve for x
    x = 4,819,405,270.79/108,496.86
  6. Step 6: Final answer
    x = 44,419.77

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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.