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Finding the Fourth Proportional to 175,334.40, 262,904.40 and 75,477.60

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Solution

The fourth proportional to 175,334.40, 262,904.40 and 75,477.60 is: 113,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,334.40 : 262,904.40 = 75,477.60 : x
  2. Step 2: Convert to fraction form
    175,334.40/262,904.40 = 75,477.60/x
  3. Step 3: Cross multiply
    175,334.40x = 262,904.40 × 75,477.60
  4. Step 4: Simplify right side
    175,334.40x = 19,843,393,141.44
  5. Step 5: Solve for x
    x = 19,843,393,141.44/175,334.40
  6. Step 6: Final answer
    x = 113,174.56

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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.