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Finding the Fourth Proportional to 255,096.66, 382,512.60 and 75,158.73

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Solution

The fourth proportional to 255,096.66, 382,512.60 and 75,158.73 is: 112,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,096.66 : 382,512.60 = 75,158.73 : x
  2. Step 2: Convert to fraction form
    255,096.66/382,512.60 = 75,158.73/x
  3. Step 3: Cross multiply
    255,096.66x = 382,512.60 × 75,158.73
  4. Step 4: Simplify right side
    255,096.66x = 28,749,161,225.00
  5. Step 5: Solve for x
    x = 28,749,161,225.00/255,096.66
  6. Step 6: Final answer
    x = 112,699.09

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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.