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Finding the Fourth Proportional to 372,095.80, 558,143.70 and 119,375.80

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Solution

The fourth proportional to 372,095.80, 558,143.70 and 119,375.80 is: 179,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,095.80 : 558,143.70 = 119,375.80 : x
  2. Step 2: Convert to fraction form
    372,095.80/558,143.70 = 119,375.80/x
  3. Step 3: Cross multiply
    372,095.80x = 558,143.70 × 119,375.80
  4. Step 4: Simplify right side
    372,095.80x = 66,628,850,702.46
  5. Step 5: Solve for x
    x = 66,628,850,702.46/372,095.80
  6. Step 6: Final answer
    x = 179,063.70

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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.