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Finding the Fourth Proportional to 255,354.44, 383,017.26 and 113,158.76

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Solution

The fourth proportional to 255,354.44, 383,017.26 and 113,158.76 is: 169,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,354.44 : 383,017.26 = 113,158.76 : x
  2. Step 2: Convert to fraction form
    255,354.44/383,017.26 = 113,158.76/x
  3. Step 3: Cross multiply
    255,354.44x = 383,017.26 × 113,158.76
  4. Step 4: Simplify right side
    255,354.44x = 43,341,758,200.20
  5. Step 5: Solve for x
    x = 43,341,758,200.20/255,354.44
  6. Step 6: Final answer
    x = 169,731.76

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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.