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Finding the Fourth Proportional to 100,635.74, 150,944.34 and 34,068.26

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Solution

The fourth proportional to 100,635.74, 150,944.34 and 34,068.26 is: 51,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,635.74 : 150,944.34 = 34,068.26 : x
  2. Step 2: Convert to fraction form
    100,635.74/150,944.34 = 34,068.26/x
  3. Step 3: Cross multiply
    100,635.74x = 150,944.34 × 34,068.26
  4. Step 4: Simplify right side
    100,635.74x = 5,142,411,020.65
  5. Step 5: Solve for x
    x = 5,142,411,020.65/100,635.74
  6. Step 6: Final answer
    x = 51,099.25

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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.