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Finding the Fourth Proportional to 247,295.58, 370,936.41 and 78,826.01

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Solution

The fourth proportional to 247,295.58, 370,936.41 and 78,826.01 is: 118,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,295.58 : 370,936.41 = 78,826.01 : x
  2. Step 2: Convert to fraction form
    247,295.58/370,936.41 = 78,826.01/x
  3. Step 3: Cross multiply
    247,295.58x = 370,936.41 × 78,826.01
  4. Step 4: Simplify right side
    247,295.58x = 29,239,437,164.02
  5. Step 5: Solve for x
    x = 29,239,437,164.02/247,295.58
  6. Step 6: Final answer
    x = 118,236.80

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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.