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Finding the Fourth Proportional to 235,356.80, 324,784.92 and 127,927.28

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Solution

The fourth proportional to 235,356.80, 324,784.92 and 127,927.28 is: 176,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,356.80 : 324,784.92 = 127,927.28 : x
  2. Step 2: Convert to fraction form
    235,356.80/324,784.92 = 127,927.28/x
  3. Step 3: Cross multiply
    235,356.80x = 324,784.92 × 127,927.28
  4. Step 4: Simplify right side
    235,356.80x = 41,548,851,400.62
  5. Step 5: Solve for x
    x = 41,548,851,400.62/235,356.80
  6. Step 6: Final answer
    x = 176,535.59

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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.