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Finding the Fourth Proportional to 52,240.76, 72,234 and 51,396.68

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Solution

The fourth proportional to 52,240.76, 72,234 and 51,396.68 is: 71,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,240.76 : 72,234 = 51,396.68 : x
  2. Step 2: Convert to fraction form
    52,240.76/72,234 = 51,396.68/x
  3. Step 3: Cross multiply
    52,240.76x = 72,234 × 51,396.68
  4. Step 4: Simplify right side
    52,240.76x = 3,712,587,783.12
  5. Step 5: Solve for x
    x = 3,712,587,783.12/52,240.76
  6. Step 6: Final answer
    x = 71,066.88

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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.