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Finding the Fourth Proportional to 223,586.58, 335,509.04 and 118,405.55

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Solution

The fourth proportional to 223,586.58, 335,509.04 and 118,405.55 is: 177,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,586.58 : 335,509.04 = 118,405.55 : x
  2. Step 2: Convert to fraction form
    223,586.58/335,509.04 = 118,405.55/x
  3. Step 3: Cross multiply
    223,586.58x = 335,509.04 × 118,405.55
  4. Step 4: Simplify right side
    223,586.58x = 39,726,130,992.69
  5. Step 5: Solve for x
    x = 39,726,130,992.69/223,586.58
  6. Step 6: Final answer
    x = 177,676.73

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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.