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Finding the Fourth Proportional to 68,119.98, 93,990.83 and 41,263.62

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Solution

The fourth proportional to 68,119.98, 93,990.83 and 41,263.62 is: 56,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,119.98 : 93,990.83 = 41,263.62 : x
  2. Step 2: Convert to fraction form
    68,119.98/93,990.83 = 41,263.62/x
  3. Step 3: Cross multiply
    68,119.98x = 93,990.83 × 41,263.62
  4. Step 4: Simplify right side
    68,119.98x = 3,878,401,686.29
  5. Step 5: Solve for x
    x = 3,878,401,686.29/68,119.98
  6. Step 6: Final answer
    x = 56,934.86

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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.