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Finding the Fourth Proportional to 182,085.87, 251,280.72 and 105,622.68

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Solution

The fourth proportional to 182,085.87, 251,280.72 and 105,622.68 is: 145,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,085.87 : 251,280.72 = 105,622.68 : x
  2. Step 2: Convert to fraction form
    182,085.87/251,280.72 = 105,622.68/x
  3. Step 3: Cross multiply
    182,085.87x = 251,280.72 × 105,622.68
  4. Step 4: Simplify right side
    182,085.87x = 26,540,943,078.73
  5. Step 5: Solve for x
    x = 26,540,943,078.73/182,085.87
  6. Step 6: Final answer
    x = 145,760.59

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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.