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Finding the Fourth Proportional to 243,084.36, 364,626.54 and 65,591.37

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Solution

The fourth proportional to 243,084.36, 364,626.54 and 65,591.37 is: 98,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,084.36 : 364,626.54 = 65,591.37 : x
  2. Step 2: Convert to fraction form
    243,084.36/364,626.54 = 65,591.37/x
  3. Step 3: Cross multiply
    243,084.36x = 364,626.54 × 65,591.37
  4. Step 4: Simplify right side
    243,084.36x = 23,916,354,296.96
  5. Step 5: Solve for x
    x = 23,916,354,296.96/243,084.36
  6. Step 6: Final answer
    x = 98,387.06

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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.