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Finding the Fourth Proportional to 88,647.62, 122,330.90 and 50,411.32

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Solution

The fourth proportional to 88,647.62, 122,330.90 and 50,411.32 is: 69,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.62 : 122,330.90 = 50,411.32 : x
  2. Step 2: Convert to fraction form
    88,647.62/122,330.90 = 50,411.32/x
  3. Step 3: Cross multiply
    88,647.62x = 122,330.90 × 50,411.32
  4. Step 4: Simplify right side
    88,647.62x = 6,166,861,965.99
  5. Step 5: Solve for x
    x = 6,166,861,965.99/88,647.62
  6. Step 6: Final answer
    x = 69,566.02

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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.