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Finding the Fourth Proportional to 135,662.10, 203,493.15 and 93,671.70

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Solution

The fourth proportional to 135,662.10, 203,493.15 and 93,671.70 is: 140,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,662.10 : 203,493.15 = 93,671.70 : x
  2. Step 2: Convert to fraction form
    135,662.10/203,493.15 = 93,671.70/x
  3. Step 3: Cross multiply
    135,662.10x = 203,493.15 × 93,671.70
  4. Step 4: Simplify right side
    135,662.10x = 19,061,549,298.86
  5. Step 5: Solve for x
    x = 19,061,549,298.86/135,662.10
  6. Step 6: Final answer
    x = 140,507.55

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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.