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Finding the Fourth Proportional to 329,670.81, 494,478.88 and 105,022.17

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Solution

The fourth proportional to 329,670.81, 494,478.88 and 105,022.17 is: 157,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,670.81 : 494,478.88 = 105,022.17 : x
  2. Step 2: Convert to fraction form
    329,670.81/494,478.88 = 105,022.17/x
  3. Step 3: Cross multiply
    329,670.81x = 494,478.88 × 105,022.17
  4. Step 4: Simplify right side
    329,670.81x = 51,931,244,734.21
  5. Step 5: Solve for x
    x = 51,931,244,734.21/329,670.81
  6. Step 6: Final answer
    x = 157,524.55

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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.