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Finding the Fourth Proportional to 372,858.66, 559,370.34 and 136,200.96

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Solution

The fourth proportional to 372,858.66, 559,370.34 and 136,200.96 is: 204,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,858.66 : 559,370.34 = 136,200.96 : x
  2. Step 2: Convert to fraction form
    372,858.66/559,370.34 = 136,200.96/x
  3. Step 3: Cross multiply
    372,858.66x = 559,370.34 × 136,200.96
  4. Step 4: Simplify right side
    372,858.66x = 76,186,777,303.53
  5. Step 5: Solve for x
    x = 76,186,777,303.53/372,858.66
  6. Step 6: Final answer
    x = 204,331.52

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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.