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Finding the Fourth Proportional to 370,936.92, 556,394.94 and 118,232.55

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Solution

The fourth proportional to 370,936.92, 556,394.94 and 118,232.55 is: 177,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,936.92 : 556,394.94 = 118,232.55 : x
  2. Step 2: Convert to fraction form
    370,936.92/556,394.94 = 118,232.55/x
  3. Step 3: Cross multiply
    370,936.92x = 556,394.94 × 118,232.55
  4. Step 4: Simplify right side
    370,936.92x = 65,783,995,093.15
  5. Step 5: Solve for x
    x = 65,783,995,093.15/370,936.92
  6. Step 6: Final answer
    x = 177,345.51

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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.