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Finding the Fourth Proportional to 231,262.76, 346,888.73 and 106,603.76

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Solution

The fourth proportional to 231,262.76, 346,888.73 and 106,603.76 is: 159,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,262.76 : 346,888.73 = 106,603.76 : x
  2. Step 2: Convert to fraction form
    231,262.76/346,888.73 = 106,603.76/x
  3. Step 3: Cross multiply
    231,262.76x = 346,888.73 × 106,603.76
  4. Step 4: Simplify right side
    231,262.76x = 36,979,641,451.69
  5. Step 5: Solve for x
    x = 36,979,641,451.69/231,262.76
  6. Step 6: Final answer
    x = 159,903.14

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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.