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Finding the Fourth Proportional to 66,095.40, 98,940.60 and 36,422.40

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Solution

The fourth proportional to 66,095.40, 98,940.60 and 36,422.40 is: 54,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,095.40 : 98,940.60 = 36,422.40 : x
  2. Step 2: Convert to fraction form
    66,095.40/98,940.60 = 36,422.40/x
  3. Step 3: Cross multiply
    66,095.40x = 98,940.60 × 36,422.40
  4. Step 4: Simplify right side
    66,095.40x = 3,603,654,109.44
  5. Step 5: Solve for x
    x = 3,603,654,109.44/66,095.40
  6. Step 6: Final answer
    x = 54,522.01

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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.