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Finding the Fourth Proportional to 111,879.07, 154,394.82 and 60,893.82

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Solution

The fourth proportional to 111,879.07, 154,394.82 and 60,893.82 is: 84,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,879.07 : 154,394.82 = 60,893.82 : x
  2. Step 2: Convert to fraction form
    111,879.07/154,394.82 = 60,893.82/x
  3. Step 3: Cross multiply
    111,879.07x = 154,394.82 × 60,893.82
  4. Step 4: Simplify right side
    111,879.07x = 9,401,690,378.01
  5. Step 5: Solve for x
    x = 9,401,690,378.01/111,879.07
  6. Step 6: Final answer
    x = 84,034.40

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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.