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Finding the Fourth Proportional to 68,165.64, 94,076.10 and 60,551.64

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Solution

The fourth proportional to 68,165.64, 94,076.10 and 60,551.64 is: 83,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,165.64 : 94,076.10 = 60,551.64 : x
  2. Step 2: Convert to fraction form
    68,165.64/94,076.10 = 60,551.64/x
  3. Step 3: Cross multiply
    68,165.64x = 94,076.10 × 60,551.64
  4. Step 4: Simplify right side
    68,165.64x = 5,696,462,139.80
  5. Step 5: Solve for x
    x = 5,696,462,139.80/68,165.64
  6. Step 6: Final answer
    x = 83,567.94

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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.