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Finding the Fourth Proportional to 374,570.88, 561,739.44 and 125,194.56

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Solution

The fourth proportional to 374,570.88, 561,739.44 and 125,194.56 is: 187,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,570.88 : 561,739.44 = 125,194.56 : x
  2. Step 2: Convert to fraction form
    374,570.88/561,739.44 = 125,194.56/x
  3. Step 3: Cross multiply
    374,570.88x = 561,739.44 × 125,194.56
  4. Step 4: Simplify right side
    374,570.88x = 70,326,722,025.45
  5. Step 5: Solve for x
    x = 70,326,722,025.45/374,570.88
  6. Step 6: Final answer
    x = 187,752.77

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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.