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Finding the Fourth Proportional to 88,809.55, 122,551.30 and 50,573

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Solution

The fourth proportional to 88,809.55, 122,551.30 and 50,573 is: 69,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,809.55 : 122,551.30 = 50,573 : x
  2. Step 2: Convert to fraction form
    88,809.55/122,551.30 = 50,573/x
  3. Step 3: Cross multiply
    88,809.55x = 122,551.30 × 50,573
  4. Step 4: Simplify right side
    88,809.55x = 6,197,786,894.90
  5. Step 5: Solve for x
    x = 6,197,786,894.90/88,809.55
  6. Step 6: Final answer
    x = 69,787.39

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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.