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Finding the Fourth Proportional to 268,611.76, 370,676.39 and 147,752.98

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Solution

The fourth proportional to 268,611.76, 370,676.39 and 147,752.98 is: 203,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,611.76 : 370,676.39 = 147,752.98 : x
  2. Step 2: Convert to fraction form
    268,611.76/370,676.39 = 147,752.98/x
  3. Step 3: Cross multiply
    268,611.76x = 370,676.39 × 147,752.98
  4. Step 4: Simplify right side
    268,611.76x = 54,768,539,572.69
  5. Step 5: Solve for x
    x = 54,768,539,572.69/268,611.76
  6. Step 6: Final answer
    x = 203,894.79

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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.