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Finding the Fourth Proportional to 218,465.30, 327,702.06 and 60,697.87

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Solution

The fourth proportional to 218,465.30, 327,702.06 and 60,697.87 is: 91,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,465.30 : 327,702.06 = 60,697.87 : x
  2. Step 2: Convert to fraction form
    218,465.30/327,702.06 = 60,697.87/x
  3. Step 3: Cross multiply
    218,465.30x = 327,702.06 × 60,697.87
  4. Step 4: Simplify right side
    218,465.30x = 19,890,816,217.36
  5. Step 5: Solve for x
    x = 19,890,816,217.36/218,465.30
  6. Step 6: Final answer
    x = 91,047.94

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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.