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Finding the Fourth Proportional to 68,373.45, 94,326.93 and 45,414

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Solution

The fourth proportional to 68,373.45, 94,326.93 and 45,414 is: 62,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.45 : 94,326.93 = 45,414 : x
  2. Step 2: Convert to fraction form
    68,373.45/94,326.93 = 45,414/x
  3. Step 3: Cross multiply
    68,373.45x = 94,326.93 × 45,414
  4. Step 4: Simplify right side
    68,373.45x = 4,283,763,199.02
  5. Step 5: Solve for x
    x = 4,283,763,199.02/68,373.45
  6. Step 6: Final answer
    x = 62,652.44

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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.