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Finding the Fourth Proportional to 181,907.32, 273,031.62 and 111,923.32

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Solution

The fourth proportional to 181,907.32, 273,031.62 and 111,923.32 is: 167,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,907.32 : 273,031.62 = 111,923.32 : x
  2. Step 2: Convert to fraction form
    181,907.32/273,031.62 = 111,923.32/x
  3. Step 3: Cross multiply
    181,907.32x = 273,031.62 × 111,923.32
  4. Step 4: Simplify right side
    181,907.32x = 30,558,605,375.38
  5. Step 5: Solve for x
    x = 30,558,605,375.38/181,907.32
  6. Step 6: Final answer
    x = 167,989.97

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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.