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Finding the Fourth Proportional to 183,129.12, 274,787.46 and 87,174.93

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Solution

The fourth proportional to 183,129.12, 274,787.46 and 87,174.93 is: 130,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,129.12 : 274,787.46 = 87,174.93 : x
  2. Step 2: Convert to fraction form
    183,129.12/274,787.46 = 87,174.93/x
  3. Step 3: Cross multiply
    183,129.12x = 274,787.46 × 87,174.93
  4. Step 4: Simplify right side
    183,129.12x = 23,954,576,179.72
  5. Step 5: Solve for x
    x = 23,954,576,179.72/183,129.12
  6. Step 6: Final answer
    x = 130,807.03

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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.