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Finding the Fourth Proportional to 181,907.68, 250,912.32 and 113,806.48

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Solution

The fourth proportional to 181,907.68, 250,912.32 and 113,806.48 is: 156,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,907.68 : 250,912.32 = 113,806.48 : x
  2. Step 2: Convert to fraction form
    181,907.68/250,912.32 = 113,806.48/x
  3. Step 3: Cross multiply
    181,907.68x = 250,912.32 × 113,806.48
  4. Step 4: Simplify right side
    181,907.68x = 28,555,447,927.83
  5. Step 5: Solve for x
    x = 28,555,447,927.83/181,907.68
  6. Step 6: Final answer
    x = 156,977.69

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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.