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Finding the Fourth Proportional to 243,699.94, 365,556.19 and 115,586.29

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Solution

The fourth proportional to 243,699.94, 365,556.19 and 115,586.29 is: 173,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,699.94 : 365,556.19 = 115,586.29 : x
  2. Step 2: Convert to fraction form
    243,699.94/365,556.19 = 115,586.29/x
  3. Step 3: Cross multiply
    243,699.94x = 365,556.19 × 115,586.29
  4. Step 4: Simplify right side
    243,699.94x = 42,253,283,788.64
  5. Step 5: Solve for x
    x = 42,253,283,788.64/243,699.94
  6. Step 6: Final answer
    x = 173,382.41

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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.