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Finding the Fourth Proportional to 70,181.96, 105,286.88 and 22,809.08

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Solution

The fourth proportional to 70,181.96, 105,286.88 and 22,809.08 is: 34,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,181.96 : 105,286.88 = 22,809.08 : x
  2. Step 2: Convert to fraction form
    70,181.96/105,286.88 = 22,809.08/x
  3. Step 3: Cross multiply
    70,181.96x = 105,286.88 × 22,809.08
  4. Step 4: Simplify right side
    70,181.96x = 2,401,496,868.87
  5. Step 5: Solve for x
    x = 2,401,496,868.87/70,181.96
  6. Step 6: Final answer
    x = 34,218.15

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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.