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Finding the Fourth Proportional to 255,902.49, 353,031.26 and 148,410.27

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Solution

The fourth proportional to 255,902.49, 353,031.26 and 148,410.27 is: 204,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,902.49 : 353,031.26 = 148,410.27 : x
  2. Step 2: Convert to fraction form
    255,902.49/353,031.26 = 148,410.27/x
  3. Step 3: Cross multiply
    255,902.49x = 353,031.26 × 148,410.27
  4. Step 4: Simplify right side
    255,902.49x = 52,393,463,872.99
  5. Step 5: Solve for x
    x = 52,393,463,872.99/255,902.49
  6. Step 6: Final answer
    x = 204,739.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.