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Finding the Fourth Proportional to 94,212.60, 141,100.20 and 64,469.40

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Solution

The fourth proportional to 94,212.60, 141,100.20 and 64,469.40 is: 96,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,212.60 : 141,100.20 = 64,469.40 : x
  2. Step 2: Convert to fraction form
    94,212.60/141,100.20 = 64,469.40/x
  3. Step 3: Cross multiply
    94,212.60x = 141,100.20 × 64,469.40
  4. Step 4: Simplify right side
    94,212.60x = 9,096,645,233.88
  5. Step 5: Solve for x
    x = 9,096,645,233.88/94,212.60
  6. Step 6: Final answer
    x = 96,554.44

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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.