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Finding the Fourth Proportional to 161,494.80, 241,804.80 and 126,502.80

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Solution

The fourth proportional to 161,494.80, 241,804.80 and 126,502.80 is: 189,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,494.80 : 241,804.80 = 126,502.80 : x
  2. Step 2: Convert to fraction form
    161,494.80/241,804.80 = 126,502.80/x
  3. Step 3: Cross multiply
    161,494.80x = 241,804.80 × 126,502.80
  4. Step 4: Simplify right side
    161,494.80x = 30,588,984,253.44
  5. Step 5: Solve for x
    x = 30,588,984,253.44/161,494.80
  6. Step 6: Final answer
    x = 189,411.57

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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.