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Finding the Fourth Proportional to 107,884.67, 161,826.77 and 28,998.90

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Solution

The fourth proportional to 107,884.67, 161,826.77 and 28,998.90 is: 43,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,884.67 : 161,826.77 = 28,998.90 : x
  2. Step 2: Convert to fraction form
    107,884.67/161,826.77 = 28,998.90/x
  3. Step 3: Cross multiply
    107,884.67x = 161,826.77 × 28,998.90
  4. Step 4: Simplify right side
    107,884.67x = 4,692,798,320.55
  5. Step 5: Solve for x
    x = 4,692,798,320.55/107,884.67
  6. Step 6: Final answer
    x = 43,498.29

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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.