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Finding the Fourth Proportional to 71,579.80, 107,369.70 and 24,837.40

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Solution

The fourth proportional to 71,579.80, 107,369.70 and 24,837.40 is: 37,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,579.80 : 107,369.70 = 24,837.40 : x
  2. Step 2: Convert to fraction form
    71,579.80/107,369.70 = 24,837.40/x
  3. Step 3: Cross multiply
    71,579.80x = 107,369.70 × 24,837.40
  4. Step 4: Simplify right side
    71,579.80x = 2,666,784,186.78
  5. Step 5: Solve for x
    x = 2,666,784,186.78/71,579.80
  6. Step 6: Final answer
    x = 37,256.10

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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.