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Finding the Fourth Proportional to 295,937.80, 443,906.70 and 129,725.80

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Solution

The fourth proportional to 295,937.80, 443,906.70 and 129,725.80 is: 194,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,937.80 : 443,906.70 = 129,725.80 : x
  2. Step 2: Convert to fraction form
    295,937.80/443,906.70 = 129,725.80/x
  3. Step 3: Cross multiply
    295,937.80x = 443,906.70 × 129,725.80
  4. Step 4: Simplify right side
    295,937.80x = 57,586,151,782.86
  5. Step 5: Solve for x
    x = 57,586,151,782.86/295,937.80
  6. Step 6: Final answer
    x = 194,588.70

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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.