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Finding the Fourth Proportional to 100,401.34, 150,396.96 and 56,051.71

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Solution

The fourth proportional to 100,401.34, 150,396.96 and 56,051.71 is: 83,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,401.34 : 150,396.96 = 56,051.71 : x
  2. Step 2: Convert to fraction form
    100,401.34/150,396.96 = 56,051.71/x
  3. Step 3: Cross multiply
    100,401.34x = 150,396.96 × 56,051.71
  4. Step 4: Simplify right side
    100,401.34x = 8,430,006,786.80
  5. Step 5: Solve for x
    x = 8,430,006,786.80/100,401.34
  6. Step 6: Final answer
    x = 83,963.09

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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.