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Finding the Fourth Proportional to 207,284.76, 310,936.86 and 67,054.32

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Solution

The fourth proportional to 207,284.76, 310,936.86 and 67,054.32 is: 100,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,284.76 : 310,936.86 = 67,054.32 : x
  2. Step 2: Convert to fraction form
    207,284.76/310,936.86 = 67,054.32/x
  3. Step 3: Cross multiply
    207,284.76x = 310,936.86 × 67,054.32
  4. Step 4: Simplify right side
    207,284.76x = 20,849,659,710.24
  5. Step 5: Solve for x
    x = 20,849,659,710.24/207,284.76
  6. Step 6: Final answer
    x = 100,584.62

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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.