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Finding the Fourth Proportional to 234,807.06, 324,063 and 154,301.16

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Solution

The fourth proportional to 234,807.06, 324,063 and 154,301.16 is: 212,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,807.06 : 324,063 = 154,301.16 : x
  2. Step 2: Convert to fraction form
    234,807.06/324,063 = 154,301.16/x
  3. Step 3: Cross multiply
    234,807.06x = 324,063 × 154,301.16
  4. Step 4: Simplify right side
    234,807.06x = 50,003,296,813.08
  5. Step 5: Solve for x
    x = 50,003,296,813.08/234,807.06
  6. Step 6: Final answer
    x = 212,954.83

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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.