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Finding the Fourth Proportional to 272,242.62, 408,407.49 and 94,800.06

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Solution

The fourth proportional to 272,242.62, 408,407.49 and 94,800.06 is: 142,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,242.62 : 408,407.49 = 94,800.06 : x
  2. Step 2: Convert to fraction form
    272,242.62/408,407.49 = 94,800.06/x
  3. Step 3: Cross multiply
    272,242.62x = 408,407.49 × 94,800.06
  4. Step 4: Simplify right side
    272,242.62x = 38,717,054,556.45
  5. Step 5: Solve for x
    x = 38,717,054,556.45/272,242.62
  6. Step 6: Final answer
    x = 142,215.26

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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.