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Finding the Fourth Proportional to 329,673.81, 494,483.37 and 105,025.17

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Solution

The fourth proportional to 329,673.81, 494,483.37 and 105,025.17 is: 157,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,673.81 : 494,483.37 = 105,025.17 : x
  2. Step 2: Convert to fraction form
    329,673.81/494,483.37 = 105,025.17/x
  3. Step 3: Cross multiply
    329,673.81x = 494,483.37 × 105,025.17
  4. Step 4: Simplify right side
    329,673.81x = 51,933,199,996.42
  5. Step 5: Solve for x
    x = 51,933,199,996.42/329,673.81
  6. Step 6: Final answer
    x = 157,529.04

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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.