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Finding the Fourth Proportional to 176,074.73, 242,986.44 and 108,057.67

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Solution

The fourth proportional to 176,074.73, 242,986.44 and 108,057.67 is: 149,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,074.73 : 242,986.44 = 108,057.67 : x
  2. Step 2: Convert to fraction form
    176,074.73/242,986.44 = 108,057.67/x
  3. Step 3: Cross multiply
    176,074.73x = 242,986.44 × 108,057.67
  4. Step 4: Simplify right side
    176,074.73x = 26,256,548,547.99
  5. Step 5: Solve for x
    x = 26,256,548,547.99/176,074.73
  6. Step 6: Final answer
    x = 149,121.62

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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.