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Finding the Fourth Proportional to 68,314.66, 94,274.74 and 38,101.92

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Solution

The fourth proportional to 68,314.66, 94,274.74 and 38,101.92 is: 52,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,314.66 : 94,274.74 = 38,101.92 : x
  2. Step 2: Convert to fraction form
    68,314.66/94,274.74 = 38,101.92/x
  3. Step 3: Cross multiply
    68,314.66x = 94,274.74 × 38,101.92
  4. Step 4: Simplify right side
    68,314.66x = 3,592,048,601.50
  5. Step 5: Solve for x
    x = 3,592,048,601.50/68,314.66
  6. Step 6: Final answer
    x = 52,580.93

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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.