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Finding the Fourth Proportional to 247,296.53, 370,947.53 and 78,815.52

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Solution

The fourth proportional to 247,296.53, 370,947.53 and 78,815.52 is: 118,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,296.53 : 370,947.53 = 78,815.52 : x
  2. Step 2: Convert to fraction form
    247,296.53/370,947.53 = 78,815.52/x
  3. Step 3: Cross multiply
    247,296.53x = 370,947.53 × 78,815.52
  4. Step 4: Simplify right side
    247,296.53x = 29,236,422,075.59
  5. Step 5: Solve for x
    x = 29,236,422,075.59/247,296.53
  6. Step 6: Final answer
    x = 118,224.15

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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.