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Finding the Fourth Proportional to 133,732.44, 184,538.52 and 77,132.88

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Solution

The fourth proportional to 133,732.44, 184,538.52 and 77,132.88 is: 106,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,732.44 : 184,538.52 = 77,132.88 : x
  2. Step 2: Convert to fraction form
    133,732.44/184,538.52 = 77,132.88/x
  3. Step 3: Cross multiply
    133,732.44x = 184,538.52 × 77,132.88
  4. Step 4: Simplify right side
    133,732.44x = 14,233,987,518.54
  5. Step 5: Solve for x
    x = 14,233,987,518.54/133,732.44
  6. Step 6: Final answer
    x = 106,436.31

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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.