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Finding the Fourth Proportional to 111,677.76, 167,553 and 52,519.32

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Solution

The fourth proportional to 111,677.76, 167,553 and 52,519.32 is: 78,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,677.76 : 167,553 = 52,519.32 : x
  2. Step 2: Convert to fraction form
    111,677.76/167,553 = 52,519.32/x
  3. Step 3: Cross multiply
    111,677.76x = 167,553 × 52,519.32
  4. Step 4: Simplify right side
    111,677.76x = 8,799,769,623.96
  5. Step 5: Solve for x
    x = 8,799,769,623.96/111,677.76
  6. Step 6: Final answer
    x = 78,796.08

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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.