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Finding the Fourth Proportional to 370,027.20, 555,043.52 and 89,544.44

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Solution

The fourth proportional to 370,027.20, 555,043.52 and 89,544.44 is: 134,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,027.20 : 555,043.52 = 89,544.44 : x
  2. Step 2: Convert to fraction form
    370,027.20/555,043.52 = 89,544.44/x
  3. Step 3: Cross multiply
    370,027.20x = 555,043.52 × 89,544.44
  4. Step 4: Simplify right side
    370,027.20x = 49,701,061,174.03
  5. Step 5: Solve for x
    x = 49,701,061,174.03/370,027.20
  6. Step 6: Final answer
    x = 134,317.32

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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.