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Finding the Fourth Proportional to 73,558.88, 110,380.88 and 30,860.48

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Solution

The fourth proportional to 73,558.88, 110,380.88 and 30,860.48 is: 46,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,558.88 : 110,380.88 = 30,860.48 : x
  2. Step 2: Convert to fraction form
    73,558.88/110,380.88 = 30,860.48/x
  3. Step 3: Cross multiply
    73,558.88x = 110,380.88 × 30,860.48
  4. Step 4: Simplify right side
    73,558.88x = 3,406,406,785.32
  5. Step 5: Solve for x
    x = 3,406,406,785.32/73,558.88
  6. Step 6: Final answer
    x = 46,308.58

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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.