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Finding the Fourth Proportional to 132,015.60, 197,944.32 and 42,019.44

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Solution

The fourth proportional to 132,015.60, 197,944.32 and 42,019.44 is: 63,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,015.60 : 197,944.32 = 42,019.44 : x
  2. Step 2: Convert to fraction form
    132,015.60/197,944.32 = 42,019.44/x
  3. Step 3: Cross multiply
    132,015.60x = 197,944.32 × 42,019.44
  4. Step 4: Simplify right side
    132,015.60x = 8,317,509,372.53
  5. Step 5: Solve for x
    x = 8,317,509,372.53/132,015.60
  6. Step 6: Final answer
    x = 63,003.99

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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.