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Finding the Fourth Proportional to 133,796.30, 184,647.43 and 88,394.64

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Solution

The fourth proportional to 133,796.30, 184,647.43 and 88,394.64 is: 121,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,796.30 : 184,647.43 = 88,394.64 : x
  2. Step 2: Convert to fraction form
    133,796.30/184,647.43 = 88,394.64/x
  3. Step 3: Cross multiply
    133,796.30x = 184,647.43 × 88,394.64
  4. Step 4: Simplify right side
    133,796.30x = 16,321,842,178.54
  5. Step 5: Solve for x
    x = 16,321,842,178.54/133,796.30
  6. Step 6: Final answer
    x = 121,990.24

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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.