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Finding the Fourth Proportional to 155,059.70, 232,441.90 and 49,804.87

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Solution

The fourth proportional to 155,059.70, 232,441.90 and 49,804.87 is: 74,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,059.70 : 232,441.90 = 49,804.87 : x
  2. Step 2: Convert to fraction form
    155,059.70/232,441.90 = 49,804.87/x
  3. Step 3: Cross multiply
    155,059.70x = 232,441.90 × 49,804.87
  4. Step 4: Simplify right side
    155,059.70x = 11,576,738,612.05
  5. Step 5: Solve for x
    x = 11,576,738,612.05/155,059.70
  6. Step 6: Final answer
    x = 74,659.88

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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.