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Finding the Fourth Proportional to 133,796.80, 184,648.12 and 88,395.14

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Solution

The fourth proportional to 133,796.80, 184,648.12 and 88,395.14 is: 121,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,796.80 : 184,648.12 = 88,395.14 : x
  2. Step 2: Convert to fraction form
    133,796.80/184,648.12 = 88,395.14/x
  3. Step 3: Cross multiply
    133,796.80x = 184,648.12 × 88,395.14
  4. Step 4: Simplify right side
    133,796.80x = 16,321,996,418.14
  5. Step 5: Solve for x
    x = 16,321,996,418.14/133,796.80
  6. Step 6: Final answer
    x = 121,990.93

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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.