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Finding the Fourth Proportional to 370,939.33, 556,449.90 and 118,161.01

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Solution

The fourth proportional to 370,939.33, 556,449.90 and 118,161.01 is: 177,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,939.33 : 556,449.90 = 118,161.01 : x
  2. Step 2: Convert to fraction form
    370,939.33/556,449.90 = 118,161.01/x
  3. Step 3: Cross multiply
    370,939.33x = 556,449.90 × 118,161.01
  4. Step 4: Simplify right side
    370,939.33x = 65,750,682,198.40
  5. Step 5: Solve for x
    x = 65,750,682,198.40/370,939.33
  6. Step 6: Final answer
    x = 177,254.55

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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.