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Finding the Fourth Proportional to 115,481.94, 159,357.12 and 63,796.74

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Solution

The fourth proportional to 115,481.94, 159,357.12 and 63,796.74 is: 88,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,481.94 : 159,357.12 = 63,796.74 : x
  2. Step 2: Convert to fraction form
    115,481.94/159,357.12 = 63,796.74/x
  3. Step 3: Cross multiply
    115,481.94x = 159,357.12 × 63,796.74
  4. Step 4: Simplify right side
    115,481.94x = 10,166,464,751.79
  5. Step 5: Solve for x
    x = 10,166,464,751.79/115,481.94
  6. Step 6: Final answer
    x = 88,035.11

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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.