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Finding the Fourth Proportional to 68,432.77, 93,751.33 and 65,874.24

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Solution

The fourth proportional to 68,432.77, 93,751.33 and 65,874.24 is: 90,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,432.77 : 93,751.33 = 65,874.24 : x
  2. Step 2: Convert to fraction form
    68,432.77/93,751.33 = 65,874.24/x
  3. Step 3: Cross multiply
    68,432.77x = 93,751.33 × 65,874.24
  4. Step 4: Simplify right side
    68,432.77x = 6,175,797,386.30
  5. Step 5: Solve for x
    x = 6,175,797,386.30/68,432.77
  6. Step 6: Final answer
    x = 90,246.20

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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.