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Finding the Fourth Proportional to 158,497.52, 218,749.01 and 98,087.62

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Solution

The fourth proportional to 158,497.52, 218,749.01 and 98,087.62 is: 135,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,497.52 : 218,749.01 = 98,087.62 : x
  2. Step 2: Convert to fraction form
    158,497.52/218,749.01 = 98,087.62/x
  3. Step 3: Cross multiply
    158,497.52x = 218,749.01 × 98,087.62
  4. Step 4: Simplify right side
    158,497.52x = 21,456,568,730.95
  5. Step 5: Solve for x
    x = 21,456,568,730.95/158,497.52
  6. Step 6: Final answer
    x = 135,374.79

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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.