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Finding the Fourth Proportional to 76,093.08, 105,036.36 and 45,879.48

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Solution

The fourth proportional to 76,093.08, 105,036.36 and 45,879.48 is: 63,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,093.08 : 105,036.36 = 45,879.48 : x
  2. Step 2: Convert to fraction form
    76,093.08/105,036.36 = 45,879.48/x
  3. Step 3: Cross multiply
    76,093.08x = 105,036.36 × 45,879.48
  4. Step 4: Simplify right side
    76,093.08x = 4,819,013,577.89
  5. Step 5: Solve for x
    x = 4,819,013,577.89/76,093.08
  6. Step 6: Final answer
    x = 63,330.51

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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.