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Finding the Fourth Proportional to 342,852.75, 514,312.96 and 118,183.61

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Solution

The fourth proportional to 342,852.75, 514,312.96 and 118,183.61 is: 177,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,852.75 : 514,312.96 = 118,183.61 : x
  2. Step 2: Convert to fraction form
    342,852.75/514,312.96 = 118,183.61/x
  3. Step 3: Cross multiply
    342,852.75x = 514,312.96 × 118,183.61
  4. Step 4: Simplify right side
    342,852.75x = 60,783,362,282.59
  5. Step 5: Solve for x
    x = 60,783,362,282.59/342,852.75
  6. Step 6: Final answer
    x = 177,287.08

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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.