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Finding the Fourth Proportional to 179,783.69, 269,795.91 and 74,602.76

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Solution

The fourth proportional to 179,783.69, 269,795.91 and 74,602.76 is: 111,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,783.69 : 269,795.91 = 74,602.76 : x
  2. Step 2: Convert to fraction form
    179,783.69/269,795.91 = 74,602.76/x
  3. Step 3: Cross multiply
    179,783.69x = 269,795.91 × 74,602.76
  4. Step 4: Simplify right side
    179,783.69x = 20,127,518,453.49
  5. Step 5: Solve for x
    x = 20,127,518,453.49/179,783.69
  6. Step 6: Final answer
    x = 111,954.09

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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.