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Finding the Fourth Proportional to 159,590.52, 238,679.88 and 141,945

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Solution

The fourth proportional to 159,590.52, 238,679.88 and 141,945 is: 212,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,590.52 : 238,679.88 = 141,945 : x
  2. Step 2: Convert to fraction form
    159,590.52/238,679.88 = 141,945/x
  3. Step 3: Cross multiply
    159,590.52x = 238,679.88 × 141,945
  4. Step 4: Simplify right side
    159,590.52x = 33,879,415,566.60
  5. Step 5: Solve for x
    x = 33,879,415,566.60/159,590.52
  6. Step 6: Final answer
    x = 212,289.65

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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.