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Finding the Fourth Proportional to 181,020.99, 250,069.55 and 144,675.90

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Solution

The fourth proportional to 181,020.99, 250,069.55 and 144,675.90 is: 199,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,020.99 : 250,069.55 = 144,675.90 : x
  2. Step 2: Convert to fraction form
    181,020.99/250,069.55 = 144,675.90/x
  3. Step 3: Cross multiply
    181,020.99x = 250,069.55 × 144,675.90
  4. Step 4: Simplify right side
    181,020.99x = 36,179,036,485.47
  5. Step 5: Solve for x
    x = 36,179,036,485.47/181,020.99
  6. Step 6: Final answer
    x = 199,861.00

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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.