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Finding the Fourth Proportional to 342,999.93, 514,549.71 and 106,361.67

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Solution

The fourth proportional to 342,999.93, 514,549.71 and 106,361.67 is: 159,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,999.93 : 514,549.71 = 106,361.67 : x
  2. Step 2: Convert to fraction form
    342,999.93/514,549.71 = 106,361.67/x
  3. Step 3: Cross multiply
    342,999.93x = 514,549.71 × 106,361.67
  4. Step 4: Simplify right side
    342,999.93x = 54,728,366,453.62
  5. Step 5: Solve for x
    x = 54,728,366,453.62/342,999.93
  6. Step 6: Final answer
    x = 159,557.95

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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.