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Finding the Fourth Proportional to 181,309.96, 271,956.75 and 62,990.56

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Solution

The fourth proportional to 181,309.96, 271,956.75 and 62,990.56 is: 94,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,309.96 : 271,956.75 = 62,990.56 : x
  2. Step 2: Convert to fraction form
    181,309.96/271,956.75 = 62,990.56/x
  3. Step 3: Cross multiply
    181,309.96x = 271,956.75 × 62,990.56
  4. Step 4: Simplify right side
    181,309.96x = 17,130,707,978.28
  5. Step 5: Solve for x
    x = 17,130,707,978.28/181,309.96
  6. Step 6: Final answer
    x = 94,482.99

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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.