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Finding the Fourth Proportional to 104,622.70, 144,243.80 and 67,763.33

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Solution

The fourth proportional to 104,622.70, 144,243.80 and 67,763.33 is: 93,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.70 : 144,243.80 = 67,763.33 : x
  2. Step 2: Convert to fraction form
    104,622.70/144,243.80 = 67,763.33/x
  3. Step 3: Cross multiply
    104,622.70x = 144,243.80 × 67,763.33
  4. Step 4: Simplify right side
    104,622.70x = 9,774,440,219.85
  5. Step 5: Solve for x
    x = 9,774,440,219.85/104,622.70
  6. Step 6: Final answer
    x = 93,425.62

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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.