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Finding the Fourth Proportional to 189,405.78, 282,556.27 and 184,257.42

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Solution

The fourth proportional to 189,405.78, 282,556.27 and 184,257.42 is: 274,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,405.78 : 282,556.27 = 184,257.42 : x
  2. Step 2: Convert to fraction form
    189,405.78/282,556.27 = 184,257.42/x
  3. Step 3: Cross multiply
    189,405.78x = 282,556.27 × 184,257.42
  4. Step 4: Simplify right side
    189,405.78x = 52,063,089,315.02
  5. Step 5: Solve for x
    x = 52,063,089,315.02/189,405.78
  6. Step 6: Final answer
    x = 274,875.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.