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Finding the Fourth Proportional to 199,512.60, 298,404.90 and 178,603.80

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Solution

The fourth proportional to 199,512.60, 298,404.90 and 178,603.80 is: 267,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,512.60 : 298,404.90 = 178,603.80 : x
  2. Step 2: Convert to fraction form
    199,512.60/298,404.90 = 178,603.80/x
  3. Step 3: Cross multiply
    199,512.60x = 298,404.90 × 178,603.80
  4. Step 4: Simplify right side
    199,512.60x = 53,296,249,078.62
  5. Step 5: Solve for x
    x = 53,296,249,078.62/199,512.60
  6. Step 6: Final answer
    x = 267,132.25

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1.5x scale

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.