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Finding the Fourth Proportional to 74,275.03, 102,493.11 and 43,644.88

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Solution

The fourth proportional to 74,275.03, 102,493.11 and 43,644.88 is: 60,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,275.03 : 102,493.11 = 43,644.88 : x
  2. Step 2: Convert to fraction form
    74,275.03/102,493.11 = 43,644.88/x
  3. Step 3: Cross multiply
    74,275.03x = 102,493.11 × 43,644.88
  4. Step 4: Simplify right side
    74,275.03x = 4,473,299,486.78
  5. Step 5: Solve for x
    x = 4,473,299,486.78/74,275.03
  6. Step 6: Final answer
    x = 60,226.16

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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.