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Finding the Fourth Proportional to 74,254.34, 102,425.64 and 44,019.44

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Solution

The fourth proportional to 74,254.34, 102,425.64 and 44,019.44 is: 60,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.34 : 102,425.64 = 44,019.44 : x
  2. Step 2: Convert to fraction form
    74,254.34/102,425.64 = 44,019.44/x
  3. Step 3: Cross multiply
    74,254.34x = 102,425.64 × 44,019.44
  4. Step 4: Simplify right side
    74,254.34x = 4,508,719,314.44
  5. Step 5: Solve for x
    x = 4,508,719,314.44/74,254.34
  6. Step 6: Final answer
    x = 60,719.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.