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Finding the Fourth Proportional to 243,084.40, 364,626.58 and 65,591.40

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Solution

The fourth proportional to 243,084.40, 364,626.58 and 65,591.40 is: 98,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,084.40 : 364,626.58 = 65,591.40 : x
  2. Step 2: Convert to fraction form
    243,084.40/364,626.58 = 65,591.40/x
  3. Step 3: Cross multiply
    243,084.40x = 364,626.58 × 65,591.40
  4. Step 4: Simplify right side
    243,084.40x = 23,916,367,859.41
  5. Step 5: Solve for x
    x = 23,916,367,859.41/243,084.40
  6. Step 6: Final answer
    x = 98,387.09

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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.