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Finding the Fourth Proportional to 181,806.51, 250,914.99 and 104,310.53

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Solution

The fourth proportional to 181,806.51, 250,914.99 and 104,310.53 is: 143,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,806.51 : 250,914.99 = 104,310.53 : x
  2. Step 2: Convert to fraction form
    181,806.51/250,914.99 = 104,310.53/x
  3. Step 3: Cross multiply
    181,806.51x = 250,914.99 × 104,310.53
  4. Step 4: Simplify right side
    181,806.51x = 26,173,075,591.84
  5. Step 5: Solve for x
    x = 26,173,075,591.84/181,806.51
  6. Step 6: Final answer
    x = 143,961.16

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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.