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Finding the Fourth Proportional to 270,678.37, 373,526.62 and 149,819.89

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Solution

The fourth proportional to 270,678.37, 373,526.62 and 149,819.89 is: 206,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,678.37 : 373,526.62 = 149,819.89 : x
  2. Step 2: Convert to fraction form
    270,678.37/373,526.62 = 149,819.89/x
  3. Step 3: Cross multiply
    270,678.37x = 373,526.62 × 149,819.89
  4. Step 4: Simplify right side
    270,678.37x = 55,961,717,120.47
  5. Step 5: Solve for x
    x = 55,961,717,120.47/270,678.37
  6. Step 6: Final answer
    x = 206,746.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.