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Finding the Fourth Proportional to 101,539.67, 140,161.55 and 59,098.20

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Solution

The fourth proportional to 101,539.67, 140,161.55 and 59,098.20 is: 81,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,539.67 : 140,161.55 = 59,098.20 : x
  2. Step 2: Convert to fraction form
    101,539.67/140,161.55 = 59,098.20/x
  3. Step 3: Cross multiply
    101,539.67x = 140,161.55 × 59,098.20
  4. Step 4: Simplify right side
    101,539.67x = 8,283,295,314.21
  5. Step 5: Solve for x
    x = 8,283,295,314.21/101,539.67
  6. Step 6: Final answer
    x = 81,576.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.