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Finding the Fourth Proportional to 235,978.08, 325,673.28 and 144,092.31

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Solution

The fourth proportional to 235,978.08, 325,673.28 and 144,092.31 is: 198,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,978.08 : 325,673.28 = 144,092.31 : x
  2. Step 2: Convert to fraction form
    235,978.08/325,673.28 = 144,092.31/x
  3. Step 3: Cross multiply
    235,978.08x = 325,673.28 × 144,092.31
  4. Step 4: Simplify right side
    235,978.08x = 46,927,015,220.48
  5. Step 5: Solve for x
    x = 46,927,015,220.48/235,978.08
  6. Step 6: Final answer
    x = 198,861.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.