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Finding the Fourth Proportional to 133,538.15, 184,282.70 and 73,112.70

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Solution

The fourth proportional to 133,538.15, 184,282.70 and 73,112.70 is: 100,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,538.15 : 184,282.70 = 73,112.70 : x
  2. Step 2: Convert to fraction form
    133,538.15/184,282.70 = 73,112.70/x
  3. Step 3: Cross multiply
    133,538.15x = 184,282.70 × 73,112.70
  4. Step 4: Simplify right side
    133,538.15x = 13,473,405,394.73
  5. Step 5: Solve for x
    x = 13,473,405,394.73/133,538.15
  6. Step 6: Final answer
    x = 100,895.56

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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.