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Finding the Fourth Proportional to 174,567.92, 240,914.05 and 131,471.40

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Solution

The fourth proportional to 174,567.92, 240,914.05 and 131,471.40 is: 181,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,567.92 : 240,914.05 = 131,471.40 : x
  2. Step 2: Convert to fraction form
    174,567.92/240,914.05 = 131,471.40/x
  3. Step 3: Cross multiply
    174,567.92x = 240,914.05 × 131,471.40
  4. Step 4: Simplify right side
    174,567.92x = 31,673,305,571.24
  5. Step 5: Solve for x
    x = 31,673,305,571.24/174,567.92
  6. Step 6: Final answer
    x = 181,438.30

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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.