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Finding the Fourth Proportional to 108,405.58, 162,677.77 and 58,520.41

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Solution

The fourth proportional to 108,405.58, 162,677.77 and 58,520.41 is: 87,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,405.58 : 162,677.77 = 58,520.41 : x
  2. Step 2: Convert to fraction form
    108,405.58/162,677.77 = 58,520.41/x
  3. Step 3: Cross multiply
    108,405.58x = 162,677.77 × 58,520.41
  4. Step 4: Simplify right side
    108,405.58x = 9,519,970,221.08
  5. Step 5: Solve for x
    x = 9,519,970,221.08/108,405.58
  6. Step 6: Final answer
    x = 87,818.09

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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.