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Finding the Fourth Proportional to 150,153.98, 225,124.64 and 75,220.67

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Solution

The fourth proportional to 150,153.98, 225,124.64 and 75,220.67 is: 112,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,153.98 : 225,124.64 = 75,220.67 : x
  2. Step 2: Convert to fraction form
    150,153.98/225,124.64 = 75,220.67/x
  3. Step 3: Cross multiply
    150,153.98x = 225,124.64 × 75,220.67
  4. Step 4: Simplify right side
    150,153.98x = 16,934,024,752.58
  5. Step 5: Solve for x
    x = 16,934,024,752.58/150,153.98
  6. Step 6: Final answer
    x = 112,777.73

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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.