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Finding the Fourth Proportional to 68,713.40, 96,337 and 68,713.40

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Solution

The fourth proportional to 68,713.40, 96,337 and 68,713.40 is: 96,337

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,713.40 : 96,337 = 68,713.40 : x
  2. Step 2: Convert to fraction form
    68,713.40/96,337 = 68,713.40/x
  3. Step 3: Cross multiply
    68,713.40x = 96,337 × 68,713.40
  4. Step 4: Simplify right side
    68,713.40x = 6,619,642,815.80
  5. Step 5: Solve for x
    x = 6,619,642,815.80/68,713.40
  6. Step 6: Final answer
    x = 96,337

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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.