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Finding the Fourth Proportional to 88,561.99, 122,213.10 and 48,276.54

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Solution

The fourth proportional to 88,561.99, 122,213.10 and 48,276.54 is: 66,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.99 : 122,213.10 = 48,276.54 : x
  2. Step 2: Convert to fraction form
    88,561.99/122,213.10 = 48,276.54/x
  3. Step 3: Cross multiply
    88,561.99x = 122,213.10 × 48,276.54
  4. Step 4: Simplify right side
    88,561.99x = 5,900,024,999.61
  5. Step 5: Solve for x
    x = 5,900,024,999.61/88,561.99
  6. Step 6: Final answer
    x = 66,620.28

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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.