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Finding the Fourth Proportional to 372,188.58, 558,376.40 and 119,491.66

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Solution

The fourth proportional to 372,188.58, 558,376.40 and 119,491.66 is: 179,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,188.58 : 558,376.40 = 119,491.66 : x
  2. Step 2: Convert to fraction form
    372,188.58/558,376.40 = 119,491.66/x
  3. Step 3: Cross multiply
    372,188.58x = 558,376.40 × 119,491.66
  4. Step 4: Simplify right side
    372,188.58x = 66,721,322,940.82
  5. Step 5: Solve for x
    x = 66,721,322,940.82/372,188.58
  6. Step 6: Final answer
    x = 179,267.52

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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.