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Finding the Fourth Proportional to 255,352.44, 383,014.26 and 113,156.76

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Solution

The fourth proportional to 255,352.44, 383,014.26 and 113,156.76 is: 169,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,352.44 : 383,014.26 = 113,156.76 : x
  2. Step 2: Convert to fraction form
    255,352.44/383,014.26 = 113,156.76/x
  3. Step 3: Cross multiply
    255,352.44x = 383,014.26 × 113,156.76
  4. Step 4: Simplify right side
    255,352.44x = 43,340,652,695.40
  5. Step 5: Solve for x
    x = 43,340,652,695.40/255,352.44
  6. Step 6: Final answer
    x = 169,728.76

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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.