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Finding the Fourth Proportional to 262,050.85, 393,168.53 and 129,024.53

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Solution

The fourth proportional to 262,050.85, 393,168.53 and 129,024.53 is: 193,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,050.85 : 393,168.53 = 129,024.53 : x
  2. Step 2: Convert to fraction form
    262,050.85/393,168.53 = 129,024.53/x
  3. Step 3: Cross multiply
    262,050.85x = 393,168.53 × 129,024.53
  4. Step 4: Simplify right side
    262,050.85x = 50,728,383,150.76
  5. Step 5: Solve for x
    x = 50,728,383,150.76/262,050.85
  6. Step 6: Final answer
    x = 193,582.21

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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.