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Finding the Fourth Proportional to 202,323.93, 279,222.49 and 111,697.38

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Solution

The fourth proportional to 202,323.93, 279,222.49 and 111,697.38 is: 154,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.93 : 279,222.49 = 111,697.38 : x
  2. Step 2: Convert to fraction form
    202,323.93/279,222.49 = 111,697.38/x
  3. Step 3: Cross multiply
    202,323.93x = 279,222.49 × 111,697.38
  4. Step 4: Simplify right side
    202,323.93x = 31,188,420,709.70
  5. Step 5: Solve for x
    x = 31,188,420,709.70/202,323.93
  6. Step 6: Final answer
    x = 154,150.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.