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Finding the Fourth Proportional to 134,611.92, 201,867.62 and 44,638.16

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Solution

The fourth proportional to 134,611.92, 201,867.62 and 44,638.16 is: 66,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,611.92 : 201,867.62 = 44,638.16 : x
  2. Step 2: Convert to fraction form
    134,611.92/201,867.62 = 44,638.16/x
  3. Step 3: Cross multiply
    134,611.92x = 201,867.62 × 44,638.16
  4. Step 4: Simplify right side
    134,611.92x = 9,010,997,887.85
  5. Step 5: Solve for x
    x = 9,010,997,887.85/134,611.92
  6. Step 6: Final answer
    x = 66,940.56

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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.