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Finding the Fourth Proportional to 68,167.64, 94,078.86 and 60,553.64

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Solution

The fourth proportional to 68,167.64, 94,078.86 and 60,553.64 is: 83,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167.64 : 94,078.86 = 60,553.64 : x
  2. Step 2: Convert to fraction form
    68,167.64/94,078.86 = 60,553.64/x
  3. Step 3: Cross multiply
    68,167.64x = 94,078.86 × 60,553.64
  4. Step 4: Simplify right side
    68,167.64x = 5,696,817,420.05
  5. Step 5: Solve for x
    x = 5,696,817,420.05/68,167.64
  6. Step 6: Final answer
    x = 83,570.70

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1.5x scale

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.