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Finding the Fourth Proportional to 208,339.94, 312,510.06 and 50,568.54

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Solution

The fourth proportional to 208,339.94, 312,510.06 and 50,568.54 is: 75,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,339.94 : 312,510.06 = 50,568.54 : x
  2. Step 2: Convert to fraction form
    208,339.94/312,510.06 = 50,568.54/x
  3. Step 3: Cross multiply
    208,339.94x = 312,510.06 × 50,568.54
  4. Step 4: Simplify right side
    208,339.94x = 15,803,177,469.51
  5. Step 5: Solve for x
    x = 15,803,177,469.51/208,339.94
  6. Step 6: Final answer
    x = 75,852.85

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1.5x scale

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.