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Finding the Fourth Proportional to 68,160.66, 94,061.04 and 37,945.50

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Solution

The fourth proportional to 68,160.66, 94,061.04 and 37,945.50 is: 52,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,160.66 : 94,061.04 = 37,945.50 : x
  2. Step 2: Convert to fraction form
    68,160.66/94,061.04 = 37,945.50/x
  3. Step 3: Cross multiply
    68,160.66x = 94,061.04 × 37,945.50
  4. Step 4: Simplify right side
    68,160.66x = 3,569,193,193.32
  5. Step 5: Solve for x
    x = 3,569,193,193.32/68,160.66
  6. Step 6: Final answer
    x = 52,364.42

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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.