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Finding the Fourth Proportional to 272,540.94, 408,838.66 and 104,202.89

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Solution

The fourth proportional to 272,540.94, 408,838.66 and 104,202.89 is: 156,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,540.94 : 408,838.66 = 104,202.89 : x
  2. Step 2: Convert to fraction form
    272,540.94/408,838.66 = 104,202.89/x
  3. Step 3: Cross multiply
    272,540.94x = 408,838.66 × 104,202.89
  4. Step 4: Simplify right side
    272,540.94x = 42,602,169,144.17
  5. Step 5: Solve for x
    x = 42,602,169,144.17/272,540.94
  6. Step 6: Final answer
    x = 156,314.75

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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.