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Finding the Fourth Proportional to 199,735.76, 299,661.24 and 88,901.84

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Solution

The fourth proportional to 199,735.76, 299,661.24 and 88,901.84 is: 133,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,735.76 : 299,661.24 = 88,901.84 : x
  2. Step 2: Convert to fraction form
    199,735.76/299,661.24 = 88,901.84/x
  3. Step 3: Cross multiply
    199,735.76x = 299,661.24 × 88,901.84
  4. Step 4: Simplify right side
    199,735.76x = 26,640,435,612.68
  5. Step 5: Solve for x
    x = 26,640,435,612.68/199,735.76
  6. Step 6: Final answer
    x = 133,378.40

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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.