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Finding the Fourth Proportional to 73,531.80, 110,297.70 and 43,934.40

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Solution

The fourth proportional to 73,531.80, 110,297.70 and 43,934.40 is: 65,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,531.80 : 110,297.70 = 43,934.40 : x
  2. Step 2: Convert to fraction form
    73,531.80/110,297.70 = 43,934.40/x
  3. Step 3: Cross multiply
    73,531.80x = 110,297.70 × 43,934.40
  4. Step 4: Simplify right side
    73,531.80x = 4,845,863,270.88
  5. Step 5: Solve for x
    x = 4,845,863,270.88/73,531.80
  6. Step 6: Final answer
    x = 65,901.60

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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.