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Finding the Fourth Proportional to 228,002.32, 341,986.20 and 80,154.64

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Solution

The fourth proportional to 228,002.32, 341,986.20 and 80,154.64 is: 120,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,002.32 : 341,986.20 = 80,154.64 : x
  2. Step 2: Convert to fraction form
    228,002.32/341,986.20 = 80,154.64/x
  3. Step 3: Cross multiply
    228,002.32x = 341,986.20 × 80,154.64
  4. Step 4: Simplify right side
    228,002.32x = 27,411,780,745.97
  5. Step 5: Solve for x
    x = 27,411,780,745.97/228,002.32
  6. Step 6: Final answer
    x = 120,225.89

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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.