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Finding the Fourth Proportional to 68,274.50, 94,219.20 and 38,061.72

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Solution

The fourth proportional to 68,274.50, 94,219.20 and 38,061.72 is: 52,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,274.50 : 94,219.20 = 38,061.72 : x
  2. Step 2: Convert to fraction form
    68,274.50/94,219.20 = 38,061.72/x
  3. Step 3: Cross multiply
    68,274.50x = 94,219.20 × 38,061.72
  4. Step 4: Simplify right side
    68,274.50x = 3,586,144,809.02
  5. Step 5: Solve for x
    x = 3,586,144,809.02/68,274.50
  6. Step 6: Final answer
    x = 52,525.39

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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.