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Finding the Fourth Proportional to 70,226.80, 105,350.70 and 25,850.17

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Solution

The fourth proportional to 70,226.80, 105,350.70 and 25,850.17 is: 38,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,226.80 : 105,350.70 = 25,850.17 : x
  2. Step 2: Convert to fraction form
    70,226.80/105,350.70 = 25,850.17/x
  3. Step 3: Cross multiply
    70,226.80x = 105,350.70 × 25,850.17
  4. Step 4: Simplify right side
    70,226.80x = 2,723,333,241.24
  5. Step 5: Solve for x
    x = 2,723,333,241.24/70,226.80
  6. Step 6: Final answer
    x = 38,779.12

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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.