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Finding the Fourth Proportional to 111,556.80, 167,222.88 and 49,216.32

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Solution

The fourth proportional to 111,556.80, 167,222.88 and 49,216.32 is: 73,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,556.80 : 167,222.88 = 49,216.32 : x
  2. Step 2: Convert to fraction form
    111,556.80/167,222.88 = 49,216.32/x
  3. Step 3: Cross multiply
    111,556.80x = 167,222.88 × 49,216.32
  4. Step 4: Simplify right side
    111,556.80x = 8,230,094,773.40
  5. Step 5: Solve for x
    x = 8,230,094,773.40/111,556.80
  6. Step 6: Final answer
    x = 73,774.93

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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.