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Finding the Fourth Proportional to 100,424.67, 150,636.96 and 38,095.17

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Solution

The fourth proportional to 100,424.67, 150,636.96 and 38,095.17 is: 57,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,424.67 : 150,636.96 = 38,095.17 : x
  2. Step 2: Convert to fraction form
    100,424.67/150,636.96 = 38,095.17/x
  3. Step 3: Cross multiply
    100,424.67x = 150,636.96 × 38,095.17
  4. Step 4: Simplify right side
    100,424.67x = 5,738,540,599.48
  5. Step 5: Solve for x
    x = 5,738,540,599.48/100,424.67
  6. Step 6: Final answer
    x = 57,142.74

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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.