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Finding the Fourth Proportional to 234,486.34, 351,688.23 and 68,235.46

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Solution

The fourth proportional to 234,486.34, 351,688.23 and 68,235.46 is: 102,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,486.34 : 351,688.23 = 68,235.46 : x
  2. Step 2: Convert to fraction form
    234,486.34/351,688.23 = 68,235.46/x
  3. Step 3: Cross multiply
    234,486.34x = 351,688.23 × 68,235.46
  4. Step 4: Simplify right side
    234,486.34x = 23,997,608,150.64
  5. Step 5: Solve for x
    x = 23,997,608,150.64/234,486.34
  6. Step 6: Final answer
    x = 102,341.18

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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.