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Finding the Fourth Proportional to 88,832.50, 122,577.06 and 57,044.50

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Solution

The fourth proportional to 88,832.50, 122,577.06 and 57,044.50 is: 78,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,832.50 : 122,577.06 = 57,044.50 : x
  2. Step 2: Convert to fraction form
    88,832.50/122,577.06 = 57,044.50/x
  3. Step 3: Cross multiply
    88,832.50x = 122,577.06 × 57,044.50
  4. Step 4: Simplify right side
    88,832.50x = 6,992,347,099.17
  5. Step 5: Solve for x
    x = 6,992,347,099.17/88,832.50
  6. Step 6: Final answer
    x = 78,713.84

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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.