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Finding the Fourth Proportional to 200,754.86, 301,160.88 and 65,790.02

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Solution

The fourth proportional to 200,754.86, 301,160.88 and 65,790.02 is: 98,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,754.86 : 301,160.88 = 65,790.02 : x
  2. Step 2: Convert to fraction form
    200,754.86/301,160.88 = 65,790.02/x
  3. Step 3: Cross multiply
    200,754.86x = 301,160.88 × 65,790.02
  4. Step 4: Simplify right side
    200,754.86x = 19,813,380,318.42
  5. Step 5: Solve for x
    x = 19,813,380,318.42/200,754.86
  6. Step 6: Final answer
    x = 98,694.40

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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.