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Finding the Fourth Proportional to 156,753.62, 216,194.90 and 103,093.74

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Solution

The fourth proportional to 156,753.62, 216,194.90 and 103,093.74 is: 142,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,753.62 : 216,194.90 = 103,093.74 : x
  2. Step 2: Convert to fraction form
    156,753.62/216,194.90 = 103,093.74/x
  3. Step 3: Cross multiply
    156,753.62x = 216,194.90 × 103,093.74
  4. Step 4: Simplify right side
    156,753.62x = 22,288,340,809.93
  5. Step 5: Solve for x
    x = 22,288,340,809.93/156,753.62
  6. Step 6: Final answer
    x = 142,187.09

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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.