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Finding the Fourth Proportional to 108,411.70, 162,617.55 and 29,525.80

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Solution

The fourth proportional to 108,411.70, 162,617.55 and 29,525.80 is: 44,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,411.70 : 162,617.55 = 29,525.80 : x
  2. Step 2: Convert to fraction form
    108,411.70/162,617.55 = 29,525.80/x
  3. Step 3: Cross multiply
    108,411.70x = 162,617.55 × 29,525.80
  4. Step 4: Simplify right side
    108,411.70x = 4,801,413,257.79
  5. Step 5: Solve for x
    x = 4,801,413,257.79/108,411.70
  6. Step 6: Final answer
    x = 44,288.70

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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.