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Finding the Fourth Proportional to 73,992.48, 102,111.44 and 40,460.96

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Solution

The fourth proportional to 73,992.48, 102,111.44 and 40,460.96 is: 55,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,992.48 : 102,111.44 = 40,460.96 : x
  2. Step 2: Convert to fraction form
    73,992.48/102,111.44 = 40,460.96/x
  3. Step 3: Cross multiply
    73,992.48x = 102,111.44 × 40,460.96
  4. Step 4: Simplify right side
    73,992.48x = 4,131,526,889.38
  5. Step 5: Solve for x
    x = 4,131,526,889.38/73,992.48
  6. Step 6: Final answer
    x = 55,837.12

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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.