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Finding the Fourth Proportional to 67,750.39, 101,584.54 and 30,303.48

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Solution

The fourth proportional to 67,750.39, 101,584.54 and 30,303.48 is: 45,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,750.39 : 101,584.54 = 30,303.48 : x
  2. Step 2: Convert to fraction form
    67,750.39/101,584.54 = 30,303.48/x
  3. Step 3: Cross multiply
    67,750.39x = 101,584.54 × 30,303.48
  4. Step 4: Simplify right side
    67,750.39x = 3,078,365,000.44
  5. Step 5: Solve for x
    x = 3,078,365,000.44/67,750.39
  6. Step 6: Final answer
    x = 45,436.86

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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.