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Finding the Fourth Proportional to 354,773.66, 531,698.42 and 144,165.38

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Solution

The fourth proportional to 354,773.66, 531,698.42 and 144,165.38 is: 216,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,773.66 : 531,698.42 = 144,165.38 : x
  2. Step 2: Convert to fraction form
    354,773.66/531,698.42 = 144,165.38/x
  3. Step 3: Cross multiply
    354,773.66x = 531,698.42 × 144,165.38
  4. Step 4: Simplify right side
    354,773.66x = 76,652,504,764.70
  5. Step 5: Solve for x
    x = 76,652,504,764.70/354,773.66
  6. Step 6: Final answer
    x = 216,060.30

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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.