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Finding the Fourth Proportional to 272,534.46, 408,801.80 and 122,599.61

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Solution

The fourth proportional to 272,534.46, 408,801.80 and 122,599.61 is: 183,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,534.46 : 408,801.80 = 122,599.61 : x
  2. Step 2: Convert to fraction form
    272,534.46/408,801.80 = 122,599.61/x
  3. Step 3: Cross multiply
    272,534.46x = 408,801.80 × 122,599.61
  4. Step 4: Simplify right side
    272,534.46x = 50,118,941,042.79
  5. Step 5: Solve for x
    x = 50,118,941,042.79/272,534.46
  6. Step 6: Final answer
    x = 183,899.47

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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.