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Finding the Fourth Proportional to 133,236.64, 199,919.76 and 63,032.32

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Solution

The fourth proportional to 133,236.64, 199,919.76 and 63,032.32 is: 94,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,236.64 : 199,919.76 = 63,032.32 : x
  2. Step 2: Convert to fraction form
    133,236.64/199,919.76 = 63,032.32/x
  3. Step 3: Cross multiply
    133,236.64x = 199,919.76 × 63,032.32
  4. Step 4: Simplify right side
    133,236.64x = 12,601,406,286.64
  5. Step 5: Solve for x
    x = 12,601,406,286.64/133,236.64
  6. Step 6: Final answer
    x = 94,579.14

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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.