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Finding the Fourth Proportional to 373,361.40, 560,040.94 and 92,878.65

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Solution

The fourth proportional to 373,361.40, 560,040.94 and 92,878.65 is: 139,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,361.40 : 560,040.94 = 92,878.65 : x
  2. Step 2: Convert to fraction form
    373,361.40/560,040.94 = 92,878.65/x
  3. Step 3: Cross multiply
    373,361.40x = 560,040.94 × 92,878.65
  4. Step 4: Simplify right side
    373,361.40x = 52,015,848,145.74
  5. Step 5: Solve for x
    x = 52,015,848,145.74/373,361.40
  6. Step 6: Final answer
    x = 139,317.69

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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.