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Finding the Fourth Proportional to 201,031.52, 301,514.45 and 67,908.83

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Solution

The fourth proportional to 201,031.52, 301,514.45 and 67,908.83 is: 101,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,031.52 : 301,514.45 = 67,908.83 : x
  2. Step 2: Convert to fraction form
    201,031.52/301,514.45 = 67,908.83/x
  3. Step 3: Cross multiply
    201,031.52x = 301,514.45 × 67,908.83
  4. Step 4: Simplify right side
    201,031.52x = 20,475,491,680.48
  5. Step 5: Solve for x
    x = 20,475,491,680.48/201,031.52
  6. Step 6: Final answer
    x = 101,852.15

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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.