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Finding the Fourth Proportional to 105,654.16, 158,481.24 and 35,533.54

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Solution

The fourth proportional to 105,654.16, 158,481.24 and 35,533.54 is: 53,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,654.16 : 158,481.24 = 35,533.54 : x
  2. Step 2: Convert to fraction form
    105,654.16/158,481.24 = 35,533.54/x
  3. Step 3: Cross multiply
    105,654.16x = 158,481.24 × 35,533.54
  4. Step 4: Simplify right side
    105,654.16x = 5,631,399,480.79
  5. Step 5: Solve for x
    x = 5,631,399,480.79/105,654.16
  6. Step 6: Final answer
    x = 53,300.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.