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Finding the Fourth Proportional to 100,011.38, 150,042.99 and 37,682.42

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Solution

The fourth proportional to 100,011.38, 150,042.99 and 37,682.42 is: 56,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011.38 : 150,042.99 = 37,682.42 : x
  2. Step 2: Convert to fraction form
    100,011.38/150,042.99 = 37,682.42/x
  3. Step 3: Cross multiply
    100,011.38x = 150,042.99 × 37,682.42
  4. Step 4: Simplify right side
    100,011.38x = 5,653,982,967.24
  5. Step 5: Solve for x
    x = 5,653,982,967.24/100,011.38
  6. Step 6: Final answer
    x = 56,533.40

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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.