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Finding the Fourth Proportional to 68,433.27, 93,752.01 and 65,874.74

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Solution

The fourth proportional to 68,433.27, 93,752.01 and 65,874.74 is: 90,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,433.27 : 93,752.01 = 65,874.74 : x
  2. Step 2: Convert to fraction form
    68,433.27/93,752.01 = 65,874.74/x
  3. Step 3: Cross multiply
    68,433.27x = 93,752.01 × 65,874.74
  4. Step 4: Simplify right side
    68,433.27x = 6,175,889,491.47
  5. Step 5: Solve for x
    x = 6,175,889,491.47/68,433.27
  6. Step 6: Final answer
    x = 90,246.89

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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.