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Finding the Fourth Proportional to 150,290.91, 225,440.46 and 45,109.89

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Solution

The fourth proportional to 150,290.91, 225,440.46 and 45,109.89 is: 67,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,290.91 : 225,440.46 = 45,109.89 : x
  2. Step 2: Convert to fraction form
    150,290.91/225,440.46 = 45,109.89/x
  3. Step 3: Cross multiply
    150,290.91x = 225,440.46 × 45,109.89
  4. Step 4: Simplify right side
    150,290.91x = 10,169,594,352.15
  5. Step 5: Solve for x
    x = 10,169,594,352.15/150,290.91
  6. Step 6: Final answer
    x = 67,666.06

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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.