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Finding the Fourth Proportional to 234,707.92, 351,921.24 and 74,714.76

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Solution

The fourth proportional to 234,707.92, 351,921.24 and 74,714.76 is: 112,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,707.92 : 351,921.24 = 74,714.76 : x
  2. Step 2: Convert to fraction form
    234,707.92/351,921.24 = 74,714.76/x
  3. Step 3: Cross multiply
    234,707.92x = 351,921.24 × 74,714.76
  4. Step 4: Simplify right side
    234,707.92x = 26,293,710,985.50
  5. Step 5: Solve for x
    x = 26,293,710,985.50/234,707.92
  6. Step 6: Final answer
    x = 112,027.37

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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.