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Finding the Fourth Proportional to 247,405.04, 370,629.96 and 147,644.96

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Solution

The fourth proportional to 247,405.04, 370,629.96 and 147,644.96 is: 221,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,405.04 : 370,629.96 = 147,644.96 : x
  2. Step 2: Convert to fraction form
    247,405.04/370,629.96 = 147,644.96/x
  3. Step 3: Cross multiply
    247,405.04x = 370,629.96 × 147,644.96
  4. Step 4: Simplify right side
    247,405.04x = 54,721,645,619.00
  5. Step 5: Solve for x
    x = 54,721,645,619.00/247,405.04
  6. Step 6: Final answer
    x = 221,182.42

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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.