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Finding the Fourth Proportional to 67,573.88, 101,309.16 and 40,914.08

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Solution

The fourth proportional to 67,573.88, 101,309.16 and 40,914.08 is: 61,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,573.88 : 101,309.16 = 40,914.08 : x
  2. Step 2: Convert to fraction form
    67,573.88/101,309.16 = 40,914.08/x
  3. Step 3: Cross multiply
    67,573.88x = 101,309.16 × 40,914.08
  4. Step 4: Simplify right side
    67,573.88x = 4,144,971,076.97
  5. Step 5: Solve for x
    x = 4,144,971,076.97/67,573.88
  6. Step 6: Final answer
    x = 61,339.84

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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.