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Finding the Fourth Proportional to 301,992.96, 453,055.26 and 91,647.36

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Solution

The fourth proportional to 301,992.96, 453,055.26 and 91,647.36 is: 137,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,992.96 : 453,055.26 = 91,647.36 : x
  2. Step 2: Convert to fraction form
    301,992.96/453,055.26 = 91,647.36/x
  3. Step 3: Cross multiply
    301,992.96x = 453,055.26 × 91,647.36
  4. Step 4: Simplify right side
    301,992.96x = 41,521,318,513.11
  5. Step 5: Solve for x
    x = 41,521,318,513.11/301,992.96
  6. Step 6: Final answer
    x = 137,491.01

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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.