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Finding the Fourth Proportional to 72,682.70, 101,522.50 and 72,682.70

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Solution

The fourth proportional to 72,682.70, 101,522.50 and 72,682.70 is: 101,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,682.70 : 101,522.50 = 72,682.70 : x
  2. Step 2: Convert to fraction form
    72,682.70/101,522.50 = 72,682.70/x
  3. Step 3: Cross multiply
    72,682.70x = 101,522.50 × 72,682.70
  4. Step 4: Simplify right side
    72,682.70x = 7,378,929,410.75
  5. Step 5: Solve for x
    x = 7,378,929,410.75/72,682.70
  6. Step 6: Final answer
    x = 101,522.50

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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.