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Finding the Fourth Proportional to 148,000.85, 204,104.88 and 96,995

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Solution

The fourth proportional to 148,000.85, 204,104.88 and 96,995 is: 133,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,000.85 : 204,104.88 = 96,995 : x
  2. Step 2: Convert to fraction form
    148,000.85/204,104.88 = 96,995/x
  3. Step 3: Cross multiply
    148,000.85x = 204,104.88 × 96,995
  4. Step 4: Simplify right side
    148,000.85x = 19,797,152,835.60
  5. Step 5: Solve for x
    x = 19,797,152,835.60/148,000.85
  6. Step 6: Final answer
    x = 133,763.78

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1.5x scale

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.