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Finding the Fourth Proportional to 181,081.93, 271,669.97 and 68,762.77

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Solution

The fourth proportional to 181,081.93, 271,669.97 and 68,762.77 is: 103,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,081.93 : 271,669.97 = 68,762.77 : x
  2. Step 2: Convert to fraction form
    181,081.93/271,669.97 = 68,762.77/x
  3. Step 3: Cross multiply
    181,081.93x = 271,669.97 × 68,762.77
  4. Step 4: Simplify right side
    181,081.93x = 18,680,779,663.02
  5. Step 5: Solve for x
    x = 18,680,779,663.02/181,081.93
  6. Step 6: Final answer
    x = 103,162.03

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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.