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Finding the Fourth Proportional to 329,409.56, 494,122.53 and 92,750.63

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Solution

The fourth proportional to 329,409.56, 494,122.53 and 92,750.63 is: 139,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,409.56 : 494,122.53 = 92,750.63 : x
  2. Step 2: Convert to fraction form
    329,409.56/494,122.53 = 92,750.63/x
  3. Step 3: Cross multiply
    329,409.56x = 494,122.53 × 92,750.63
  4. Step 4: Simplify right side
    329,409.56x = 45,830,175,954.69
  5. Step 5: Solve for x
    x = 45,830,175,954.69/329,409.56
  6. Step 6: Final answer
    x = 139,128.25

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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.