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Finding the Fourth Proportional to 70,166.99, 105,257.57 and 22,780.10

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Solution

The fourth proportional to 70,166.99, 105,257.57 and 22,780.10 is: 34,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,166.99 : 105,257.57 = 22,780.10 : x
  2. Step 2: Convert to fraction form
    70,166.99/105,257.57 = 22,780.10/x
  3. Step 3: Cross multiply
    70,166.99x = 105,257.57 × 22,780.10
  4. Step 4: Simplify right side
    70,166.99x = 2,397,777,330.17
  5. Step 5: Solve for x
    x = 2,397,777,330.17/70,166.99
  6. Step 6: Final answer
    x = 34,172.44

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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.