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Finding the Fourth Proportional to 342,851.75, 514,311.46 and 118,182.61

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Solution

The fourth proportional to 342,851.75, 514,311.46 and 118,182.61 is: 177,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,851.75 : 514,311.46 = 118,182.61 : x
  2. Step 2: Convert to fraction form
    342,851.75/514,311.46 = 118,182.61/x
  3. Step 3: Cross multiply
    342,851.75x = 514,311.46 × 118,182.61
  4. Step 4: Simplify right side
    342,851.75x = 60,782,670,695.71
  5. Step 5: Solve for x
    x = 60,782,670,695.71/342,851.75
  6. Step 6: Final answer
    x = 177,285.58

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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.