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Finding the Fourth Proportional to 181,950.60, 272,828.70 and 76,650.60

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Solution

The fourth proportional to 181,950.60, 272,828.70 and 76,650.60 is: 114,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,950.60 : 272,828.70 = 76,650.60 : x
  2. Step 2: Convert to fraction form
    181,950.60/272,828.70 = 76,650.60/x
  3. Step 3: Cross multiply
    181,950.60x = 272,828.70 × 76,650.60
  4. Step 4: Simplify right side
    181,950.60x = 20,912,483,552.22
  5. Step 5: Solve for x
    x = 20,912,483,552.22/181,950.60
  6. Step 6: Final answer
    x = 114,934.95

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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.