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Finding the Fourth Proportional to 68,046.68, 93,916.77 and 39,362.96

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Solution

The fourth proportional to 68,046.68, 93,916.77 and 39,362.96 is: 54,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.68 : 93,916.77 = 39,362.96 : x
  2. Step 2: Convert to fraction form
    68,046.68/93,916.77 = 39,362.96/x
  3. Step 3: Cross multiply
    68,046.68x = 93,916.77 × 39,362.96
  4. Step 4: Simplify right side
    68,046.68x = 3,696,842,148.02
  5. Step 5: Solve for x
    x = 3,696,842,148.02/68,046.68
  6. Step 6: Final answer
    x = 54,328.03

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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.