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Finding the Fourth Proportional to 88,876.69, 122,657.43 and 50,647.93

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Solution

The fourth proportional to 88,876.69, 122,657.43 and 50,647.93 is: 69,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,876.69 : 122,657.43 = 50,647.93 : x
  2. Step 2: Convert to fraction form
    88,876.69/122,657.43 = 50,647.93/x
  3. Step 3: Cross multiply
    88,876.69x = 122,657.43 × 50,647.93
  4. Step 4: Simplify right side
    88,876.69x = 6,212,344,928.62
  5. Step 5: Solve for x
    x = 6,212,344,928.62/88,876.69
  6. Step 6: Final answer
    x = 69,898.47

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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.