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Finding the Fourth Proportional to 111,893.08, 154,416.24 and 60,907.67

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Solution

The fourth proportional to 111,893.08, 154,416.24 and 60,907.67 is: 84,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,893.08 : 154,416.24 = 60,907.67 : x
  2. Step 2: Convert to fraction form
    111,893.08/154,416.24 = 60,907.67/x
  3. Step 3: Cross multiply
    111,893.08x = 154,416.24 × 60,907.67
  4. Step 4: Simplify right side
    111,893.08x = 9,405,133,388.56
  5. Step 5: Solve for x
    x = 9,405,133,388.56/111,893.08
  6. Step 6: Final answer
    x = 84,054.65

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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.