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Finding the Fourth Proportional to 133,944.60, 200,746.80 and 67,403.10

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Solution

The fourth proportional to 133,944.60, 200,746.80 and 67,403.10 is: 101,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,944.60 : 200,746.80 = 67,403.10 : x
  2. Step 2: Convert to fraction form
    133,944.60/200,746.80 = 67,403.10/x
  3. Step 3: Cross multiply
    133,944.60x = 200,746.80 × 67,403.10
  4. Step 4: Simplify right side
    133,944.60x = 13,530,956,635.08
  5. Step 5: Solve for x
    x = 13,530,956,635.08/133,944.60
  6. Step 6: Final answer
    x = 101,019.05

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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.