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Finding the Fourth Proportional to 71,606.40, 107,524.35 and 56,937.30

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Solution

The fourth proportional to 71,606.40, 107,524.35 and 56,937.30 is: 85,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606.40 : 107,524.35 = 56,937.30 : x
  2. Step 2: Convert to fraction form
    71,606.40/107,524.35 = 56,937.30/x
  3. Step 3: Cross multiply
    71,606.40x = 107,524.35 × 56,937.30
  4. Step 4: Simplify right side
    71,606.40x = 6,122,146,173.26
  5. Step 5: Solve for x
    x = 6,122,146,173.26/71,606.40
  6. Step 6: Final answer
    x = 85,497.19

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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.