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Finding the Fourth Proportional to 372,903.19, 558,980.25 and 119,997.81

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Solution

The fourth proportional to 372,903.19, 558,980.25 and 119,997.81 is: 179,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,903.19 : 558,980.25 = 119,997.81 : x
  2. Step 2: Convert to fraction form
    372,903.19/558,980.25 = 119,997.81/x
  3. Step 3: Cross multiply
    372,903.19x = 558,980.25 × 119,997.81
  4. Step 4: Simplify right side
    372,903.19x = 67,076,405,833.25
  5. Step 5: Solve for x
    x = 67,076,405,833.25/372,903.19
  6. Step 6: Final answer
    x = 179,876.19

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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.