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Finding the Fourth Proportional to 216,078.66, 298,173.75 and 119,277.96

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Solution

The fourth proportional to 216,078.66, 298,173.75 and 119,277.96 is: 164,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,078.66 : 298,173.75 = 119,277.96 : x
  2. Step 2: Convert to fraction form
    216,078.66/298,173.75 = 119,277.96/x
  3. Step 3: Cross multiply
    216,078.66x = 298,173.75 × 119,277.96
  4. Step 4: Simplify right side
    216,078.66x = 35,565,556,625.55
  5. Step 5: Solve for x
    x = 35,565,556,625.55/216,078.66
  6. Step 6: Final answer
    x = 164,595.41

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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.