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Finding the Fourth Proportional to 68,003.40, 101,774.70 and 68,003.40

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Solution

The fourth proportional to 68,003.40, 101,774.70 and 68,003.40 is: 101,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.40 : 101,774.70 = 68,003.40 : x
  2. Step 2: Convert to fraction form
    68,003.40/101,774.70 = 68,003.40/x
  3. Step 3: Cross multiply
    68,003.40x = 101,774.70 × 68,003.40
  4. Step 4: Simplify right side
    68,003.40x = 6,921,025,633.98
  5. Step 5: Solve for x
    x = 6,921,025,633.98/68,003.40
  6. Step 6: Final answer
    x = 101,774.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.