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Finding the Fourth Proportional to 269,587.72, 404,527.26 and 111,925

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Solution

The fourth proportional to 269,587.72, 404,527.26 and 111,925 is: 167,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,587.72 : 404,527.26 = 111,925 : x
  2. Step 2: Convert to fraction form
    269,587.72/404,527.26 = 111,925/x
  3. Step 3: Cross multiply
    269,587.72x = 404,527.26 × 111,925
  4. Step 4: Simplify right side
    269,587.72x = 45,276,713,575.50
  5. Step 5: Solve for x
    x = 45,276,713,575.50/269,587.72
  6. Step 6: Final answer
    x = 167,947.98

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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.