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Finding the Fourth Proportional to 74,254.39, 111,364.34 and 44,277

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Solution

The fourth proportional to 74,254.39, 111,364.34 and 44,277 is: 66,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.39 : 111,364.34 = 44,277 : x
  2. Step 2: Convert to fraction form
    74,254.39/111,364.34 = 44,277/x
  3. Step 3: Cross multiply
    74,254.39x = 111,364.34 × 44,277
  4. Step 4: Simplify right side
    74,254.39x = 4,930,878,882.18
  5. Step 5: Solve for x
    x = 4,930,878,882.18/74,254.39
  6. Step 6: Final answer
    x = 66,405.22

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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.