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Finding the Fourth Proportional to 268,627.58, 370,698.19 and 147,768.80

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Solution

The fourth proportional to 268,627.58, 370,698.19 and 147,768.80 is: 203,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,627.58 : 370,698.19 = 147,768.80 : x
  2. Step 2: Convert to fraction form
    268,627.58/370,698.19 = 147,768.80/x
  3. Step 3: Cross multiply
    268,627.58x = 370,698.19 × 147,768.80
  4. Step 4: Simplify right side
    268,627.58x = 54,777,624,106.14
  5. Step 5: Solve for x
    x = 54,777,624,106.14/268,627.58
  6. Step 6: Final answer
    x = 203,916.61

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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.