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Finding the Fourth Proportional to 225,343.84, 337,782.20 and 140,910.21

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Solution

The fourth proportional to 225,343.84, 337,782.20 and 140,910.21 is: 211,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,343.84 : 337,782.20 = 140,910.21 : x
  2. Step 2: Convert to fraction form
    225,343.84/337,782.20 = 140,910.21/x
  3. Step 3: Cross multiply
    225,343.84x = 337,782.20 × 140,910.21
  4. Step 4: Simplify right side
    225,343.84x = 47,596,959,715.67
  5. Step 5: Solve for x
    x = 47,596,959,715.67/225,343.84
  6. Step 6: Final answer
    x = 211,219.26

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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.