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Finding the Fourth Proportional to 68,625.68, 93,838.69 and 68,625.68

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Solution

The fourth proportional to 68,625.68, 93,838.69 and 68,625.68 is: 93,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,625.68 : 93,838.69 = 68,625.68 : x
  2. Step 2: Convert to fraction form
    68,625.68/93,838.69 = 68,625.68/x
  3. Step 3: Cross multiply
    68,625.68x = 93,838.69 × 68,625.68
  4. Step 4: Simplify right side
    68,625.68x = 6,439,743,911.56
  5. Step 5: Solve for x
    x = 6,439,743,911.56/68,625.68
  6. Step 6: Final answer
    x = 93,838.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.