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Finding the Fourth Proportional to 259,985.22, 389,977.95 and 93,773.22

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Solution

The fourth proportional to 259,985.22, 389,977.95 and 93,773.22 is: 140,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,985.22 : 389,977.95 = 93,773.22 : x
  2. Step 2: Convert to fraction form
    259,985.22/389,977.95 = 93,773.22/x
  3. Step 3: Cross multiply
    259,985.22x = 389,977.95 × 93,773.22
  4. Step 4: Simplify right side
    259,985.22x = 36,569,488,100.50
  5. Step 5: Solve for x
    x = 36,569,488,100.50/259,985.22
  6. Step 6: Final answer
    x = 140,659.87

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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.