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Finding the Fourth Proportional to 492,107.34, 738,161.07 and 118,130.34

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Solution

The fourth proportional to 492,107.34, 738,161.07 and 118,130.34 is: 177,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,107.34 : 738,161.07 = 118,130.34 : x
  2. Step 2: Convert to fraction form
    492,107.34/738,161.07 = 118,130.34/x
  3. Step 3: Cross multiply
    492,107.34x = 738,161.07 × 118,130.34
  4. Step 4: Simplify right side
    492,107.34x = 87,199,218,173.86
  5. Step 5: Solve for x
    x = 87,199,218,173.86/492,107.34
  6. Step 6: Final answer
    x = 177,195.52

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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.