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Finding the Fourth Proportional to 247,065.02, 370,619.40 and 69,573.56

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Solution

The fourth proportional to 247,065.02, 370,619.40 and 69,573.56 is: 104,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,065.02 : 370,619.40 = 69,573.56 : x
  2. Step 2: Convert to fraction form
    247,065.02/370,619.40 = 69,573.56/x
  3. Step 3: Cross multiply
    247,065.02x = 370,619.40 × 69,573.56
  4. Step 4: Simplify right side
    247,065.02x = 25,785,311,063.06
  5. Step 5: Solve for x
    x = 25,785,311,063.06/247,065.02
  6. Step 6: Final answer
    x = 104,366.50

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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.