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Finding the Fourth Proportional to 235,604.70, 353,288.73 and 109,136.22

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Solution

The fourth proportional to 235,604.70, 353,288.73 and 109,136.22 is: 163,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,604.70 : 353,288.73 = 109,136.22 : x
  2. Step 2: Convert to fraction form
    235,604.70/353,288.73 = 109,136.22/x
  3. Step 3: Cross multiply
    235,604.70x = 353,288.73 × 109,136.22
  4. Step 4: Simplify right side
    235,604.70x = 38,556,596,560.80
  5. Step 5: Solve for x
    x = 38,556,596,560.80/235,604.70
  6. Step 6: Final answer
    x = 163,649.52

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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.