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Finding the Fourth Proportional to 329,390.93, 494,115.56 and 92,735.66

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Solution

The fourth proportional to 329,390.93, 494,115.56 and 92,735.66 is: 139,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,390.93 : 494,115.56 = 92,735.66 : x
  2. Step 2: Convert to fraction form
    329,390.93/494,115.56 = 92,735.66/x
  3. Step 3: Cross multiply
    329,390.93x = 494,115.56 × 92,735.66
  4. Step 4: Simplify right side
    329,390.93x = 45,822,132,572.87
  5. Step 5: Solve for x
    x = 45,822,132,572.87/329,390.93
  6. Step 6: Final answer
    x = 139,111.70

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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.