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Finding the Fourth Proportional to 227,280.63, 340,866.26 and 69,510.45

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Solution

The fourth proportional to 227,280.63, 340,866.26 and 69,510.45 is: 104,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,280.63 : 340,866.26 = 69,510.45 : x
  2. Step 2: Convert to fraction form
    227,280.63/340,866.26 = 69,510.45/x
  3. Step 3: Cross multiply
    227,280.63x = 340,866.26 × 69,510.45
  4. Step 4: Simplify right side
    227,280.63x = 23,693,766,787.40
  5. Step 5: Solve for x
    x = 23,693,766,787.40/227,280.63
  6. Step 6: Final answer
    x = 104,248.95

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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.