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Finding the Fourth Proportional to 248,211.95, 372,268.98 and 68,251.01

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Solution

The fourth proportional to 248,211.95, 372,268.98 and 68,251.01 is: 102,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,211.95 : 372,268.98 = 68,251.01 : x
  2. Step 2: Convert to fraction form
    248,211.95/372,268.98 = 68,251.01/x
  3. Step 3: Cross multiply
    248,211.95x = 372,268.98 × 68,251.01
  4. Step 4: Simplify right side
    248,211.95x = 25,407,732,015.32
  5. Step 5: Solve for x
    x = 25,407,732,015.32/248,211.95
  6. Step 6: Final answer
    x = 102,363.05

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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.