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Finding the Fourth Proportional to 372,572.50, 558,911.31 and 119,768.26

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Solution

The fourth proportional to 372,572.50, 558,911.31 and 119,768.26 is: 179,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,572.50 : 558,911.31 = 119,768.26 : x
  2. Step 2: Convert to fraction form
    372,572.50/558,911.31 = 119,768.26/x
  3. Step 3: Cross multiply
    372,572.50x = 558,911.31 × 119,768.26
  4. Step 4: Simplify right side
    372,572.50x = 66,939,835,093.02
  5. Step 5: Solve for x
    x = 66,939,835,093.02/372,572.50
  6. Step 6: Final answer
    x = 179,669.29

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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.