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Finding the Fourth Proportional to 270,811.81, 373,715.73 and 149,950.50

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Solution

The fourth proportional to 270,811.81, 373,715.73 and 149,950.50 is: 206,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,811.81 : 373,715.73 = 149,950.50 : x
  2. Step 2: Convert to fraction form
    270,811.81/373,715.73 = 149,950.50/x
  3. Step 3: Cross multiply
    270,811.81x = 373,715.73 × 149,950.50
  4. Step 4: Simplify right side
    270,811.81x = 56,038,860,571.37
  5. Step 5: Solve for x
    x = 56,038,860,571.37/270,811.81
  6. Step 6: Final answer
    x = 206,929.16

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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.