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Finding the Fourth Proportional to 371,598.72, 557,396.88 and 105,361.44

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Solution

The fourth proportional to 371,598.72, 557,396.88 and 105,361.44 is: 158,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,598.72 : 557,396.88 = 105,361.44 : x
  2. Step 2: Convert to fraction form
    371,598.72/557,396.88 = 105,361.44/x
  3. Step 3: Cross multiply
    371,598.72x = 557,396.88 × 105,361.44
  4. Step 4: Simplify right side
    371,598.72x = 58,728,137,928.31
  5. Step 5: Solve for x
    x = 58,728,137,928.31/371,598.72
  6. Step 6: Final answer
    x = 158,041.82

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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.