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Finding the Fourth Proportional to 374,570.75, 561,856.13 and 111,914.75

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Solution

The fourth proportional to 374,570.75, 561,856.13 and 111,914.75 is: 167,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,570.75 : 561,856.13 = 111,914.75 : x
  2. Step 2: Convert to fraction form
    374,570.75/561,856.13 = 111,914.75/x
  3. Step 3: Cross multiply
    374,570.75x = 561,856.13 × 111,914.75
  4. Step 4: Simplify right side
    374,570.75x = 62,879,988,324.92
  5. Step 5: Solve for x
    x = 62,879,988,324.92/374,570.75
  6. Step 6: Final answer
    x = 167,872.13

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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.