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Finding the Fourth Proportional to 272,594.76, 408,896.46 and 83,059.08

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Solution

The fourth proportional to 272,594.76, 408,896.46 and 83,059.08 is: 124,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,594.76 : 408,896.46 = 83,059.08 : x
  2. Step 2: Convert to fraction form
    272,594.76/408,896.46 = 83,059.08/x
  3. Step 3: Cross multiply
    272,594.76x = 408,896.46 × 83,059.08
  4. Step 4: Simplify right side
    272,594.76x = 33,962,563,782.86
  5. Step 5: Solve for x
    x = 33,962,563,782.86/272,594.76
  6. Step 6: Final answer
    x = 124,589.94

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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.