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Finding the Fourth Proportional to 183,131.84, 274,813.32 and 77,950.64

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Solution

The fourth proportional to 183,131.84, 274,813.32 and 77,950.64 is: 116,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,131.84 : 274,813.32 = 77,950.64 : x
  2. Step 2: Convert to fraction form
    183,131.84/274,813.32 = 77,950.64/x
  3. Step 3: Cross multiply
    183,131.84x = 274,813.32 × 77,950.64
  4. Step 4: Simplify right side
    183,131.84x = 21,421,874,174.52
  5. Step 5: Solve for x
    x = 21,421,874,174.52/183,131.84
  6. Step 6: Final answer
    x = 116,975.15

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1.5x scale

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.