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Finding the Fourth Proportional to 68,809.10, 96,216.10 and 68,809.10

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Solution

The fourth proportional to 68,809.10, 96,216.10 and 68,809.10 is: 96,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,809.10 : 96,216.10 = 68,809.10 : x
  2. Step 2: Convert to fraction form
    68,809.10/96,216.10 = 68,809.10/x
  3. Step 3: Cross multiply
    68,809.10x = 96,216.10 × 68,809.10
  4. Step 4: Simplify right side
    68,809.10x = 6,620,543,246.51
  5. Step 5: Solve for x
    x = 6,620,543,246.51/68,809.10
  6. Step 6: Final answer
    x = 96,216.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.