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Finding the Fourth Proportional to 66,919.02, 100,347.44 and 24,797.40

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Solution

The fourth proportional to 66,919.02, 100,347.44 and 24,797.40 is: 37,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919.02 : 100,347.44 = 24,797.40 : x
  2. Step 2: Convert to fraction form
    66,919.02/100,347.44 = 24,797.40/x
  3. Step 3: Cross multiply
    66,919.02x = 100,347.44 × 24,797.40
  4. Step 4: Simplify right side
    66,919.02x = 2,488,355,608.66
  5. Step 5: Solve for x
    x = 2,488,355,608.66/66,919.02
  6. Step 6: Final answer
    x = 37,184.58

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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.