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Finding the Fourth Proportional to 120,755.04, 166,596.24 and 88,999.84

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Solution

The fourth proportional to 120,755.04, 166,596.24 and 88,999.84 is: 122,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,755.04 : 166,596.24 = 88,999.84 : x
  2. Step 2: Convert to fraction form
    120,755.04/166,596.24 = 88,999.84/x
  3. Step 3: Cross multiply
    120,755.04x = 166,596.24 × 88,999.84
  4. Step 4: Simplify right side
    120,755.04x = 14,827,038,704.60
  5. Step 5: Solve for x
    x = 14,827,038,704.60/120,755.04
  6. Step 6: Final answer
    x = 122,786.09

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1.5x scale

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.