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Finding the Fourth Proportional to 88,880.60, 122,573.90 and 69,502

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Solution

The fourth proportional to 88,880.60, 122,573.90 and 69,502 is: 95,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,880.60 : 122,573.90 = 69,502 : x
  2. Step 2: Convert to fraction form
    88,880.60/122,573.90 = 69,502/x
  3. Step 3: Cross multiply
    88,880.60x = 122,573.90 × 69,502
  4. Step 4: Simplify right side
    88,880.60x = 8,519,131,197.80
  5. Step 5: Solve for x
    x = 8,519,131,197.80/88,880.60
  6. Step 6: Final answer
    x = 95,849.16

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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.