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Finding the Fourth Proportional to 181,556.88, 250,518.12 and 100,973.76

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Solution

The fourth proportional to 181,556.88, 250,518.12 and 100,973.76 is: 139,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,556.88 : 250,518.12 = 100,973.76 : x
  2. Step 2: Convert to fraction form
    181,556.88/250,518.12 = 100,973.76/x
  3. Step 3: Cross multiply
    181,556.88x = 250,518.12 × 100,973.76
  4. Step 4: Simplify right side
    181,556.88x = 25,295,756,524.53
  5. Step 5: Solve for x
    x = 25,295,756,524.53/181,556.88
  6. Step 6: Final answer
    x = 139,326.90

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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.