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Finding the Fourth Proportional to 268,019.37, 401,943.74 and 88,063.02

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Solution

The fourth proportional to 268,019.37, 401,943.74 and 88,063.02 is: 132,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,019.37 : 401,943.74 = 88,063.02 : x
  2. Step 2: Convert to fraction form
    268,019.37/401,943.74 = 88,063.02/x
  3. Step 3: Cross multiply
    268,019.37x = 401,943.74 × 88,063.02
  4. Step 4: Simplify right side
    268,019.37x = 35,396,379,174.18
  5. Step 5: Solve for x
    x = 35,396,379,174.18/268,019.37
  6. Step 6: Final answer
    x = 132,066.50

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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.