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Finding the Fourth Proportional to 101,461.87, 140,039.45 and 59,025.97

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Solution

The fourth proportional to 101,461.87, 140,039.45 and 59,025.97 is: 81,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,461.87 : 140,039.45 = 59,025.97 : x
  2. Step 2: Convert to fraction form
    101,461.87/140,039.45 = 59,025.97/x
  3. Step 3: Cross multiply
    101,461.87x = 140,039.45 × 59,025.97
  4. Step 4: Simplify right side
    101,461.87x = 8,265,964,374.52
  5. Step 5: Solve for x
    x = 8,265,964,374.52/101,461.87
  6. Step 6: Final answer
    x = 81,468.68

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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.