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Finding the Fourth Proportional to 207,033.64, 285,848.05 and 158,550.02

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Solution

The fourth proportional to 207,033.64, 285,848.05 and 158,550.02 is: 218,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,033.64 : 285,848.05 = 158,550.02 : x
  2. Step 2: Convert to fraction form
    207,033.64/285,848.05 = 158,550.02/x
  3. Step 3: Cross multiply
    207,033.64x = 285,848.05 × 158,550.02
  4. Step 4: Simplify right side
    207,033.64x = 45,321,215,350.18
  5. Step 5: Solve for x
    x = 45,321,215,350.18/207,033.64
  6. Step 6: Final answer
    x = 218,907.50

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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.