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Finding the Fourth Proportional to 181,279.87, 250,055.37 and 107,642.39

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Solution

The fourth proportional to 181,279.87, 250,055.37 and 107,642.39 is: 148,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,279.87 : 250,055.37 = 107,642.39 : x
  2. Step 2: Convert to fraction form
    181,279.87/250,055.37 = 107,642.39/x
  3. Step 3: Cross multiply
    181,279.87x = 250,055.37 × 107,642.39
  4. Step 4: Simplify right side
    181,279.87x = 26,916,556,408.86
  5. Step 5: Solve for x
    x = 26,916,556,408.86/181,279.87
  6. Step 6: Final answer
    x = 148,480.67

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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.