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Finding the Fourth Proportional to 234,398.58, 351,569.94 and 61,278.90

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Solution

The fourth proportional to 234,398.58, 351,569.94 and 61,278.90 is: 91,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,398.58 : 351,569.94 = 61,278.90 : x
  2. Step 2: Convert to fraction form
    234,398.58/351,569.94 = 61,278.90/x
  3. Step 3: Cross multiply
    234,398.58x = 351,569.94 × 61,278.90
  4. Step 4: Simplify right side
    234,398.58x = 21,543,819,196.27
  5. Step 5: Solve for x
    x = 21,543,819,196.27/234,398.58
  6. Step 6: Final answer
    x = 91,911.05

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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.