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Finding the Fourth Proportional to 64,129.86, 88,511.67 and 37,277.82

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Solution

The fourth proportional to 64,129.86, 88,511.67 and 37,277.82 is: 51,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.86 : 88,511.67 = 37,277.82 : x
  2. Step 2: Convert to fraction form
    64,129.86/88,511.67 = 37,277.82/x
  3. Step 3: Cross multiply
    64,129.86x = 88,511.67 × 37,277.82
  4. Step 4: Simplify right side
    64,129.86x = 3,299,522,102.16
  5. Step 5: Solve for x
    x = 3,299,522,102.16/64,129.86
  6. Step 6: Final answer
    x = 51,450.64

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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.