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Finding the Fourth Proportional to 248,690.06, 372,723.10 and 106,368.30

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Solution

The fourth proportional to 248,690.06, 372,723.10 and 106,368.30 is: 159,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,690.06 : 372,723.10 = 106,368.30 : x
  2. Step 2: Convert to fraction form
    248,690.06/372,723.10 = 106,368.30/x
  3. Step 3: Cross multiply
    248,690.06x = 372,723.10 × 106,368.30
  4. Step 4: Simplify right side
    248,690.06x = 39,645,922,517.73
  5. Step 5: Solve for x
    x = 39,645,922,517.73/248,690.06
  6. Step 6: Final answer
    x = 159,419.01

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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.