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Finding the Fourth Proportional to 339,150.20, 508,725.30 and 102,529.40

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Solution

The fourth proportional to 339,150.20, 508,725.30 and 102,529.40 is: 153,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,150.20 : 508,725.30 = 102,529.40 : x
  2. Step 2: Convert to fraction form
    339,150.20/508,725.30 = 102,529.40/x
  3. Step 3: Cross multiply
    339,150.20x = 508,725.30 × 102,529.40
  4. Step 4: Simplify right side
    339,150.20x = 52,159,299,773.82
  5. Step 5: Solve for x
    x = 52,159,299,773.82/339,150.20
  6. Step 6: Final answer
    x = 153,794.10

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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.