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Finding the Fourth Proportional to 181,900.96, 272,849.52 and 71,092

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Solution

The fourth proportional to 181,900.96, 272,849.52 and 71,092 is: 106,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,900.96 : 272,849.52 = 71,092 : x
  2. Step 2: Convert to fraction form
    181,900.96/272,849.52 = 71,092/x
  3. Step 3: Cross multiply
    181,900.96x = 272,849.52 × 71,092
  4. Step 4: Simplify right side
    181,900.96x = 19,397,418,075.84
  5. Step 5: Solve for x
    x = 19,397,418,075.84/181,900.96
  6. Step 6: Final answer
    x = 106,637.25

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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.