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Finding the Fourth Proportional to 308,525.73, 462,759.44 and 98,126.61

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Solution

The fourth proportional to 308,525.73, 462,759.44 and 98,126.61 is: 147,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,525.73 : 462,759.44 = 98,126.61 : x
  2. Step 2: Convert to fraction form
    308,525.73/462,759.44 = 98,126.61/x
  3. Step 3: Cross multiply
    308,525.73x = 462,759.44 × 98,126.61
  4. Step 4: Simplify right side
    308,525.73x = 45,409,014,602.07
  5. Step 5: Solve for x
    x = 45,409,014,602.07/308,525.73
  6. Step 6: Final answer
    x = 147,180.64

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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.