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Finding the Fourth Proportional to 223,296.88, 308,166.84 and 127,833.52

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Solution

The fourth proportional to 223,296.88, 308,166.84 and 127,833.52 is: 176,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,296.88 : 308,166.84 = 127,833.52 : x
  2. Step 2: Convert to fraction form
    223,296.88/308,166.84 = 127,833.52/x
  3. Step 3: Cross multiply
    223,296.88x = 308,166.84 × 127,833.52
  4. Step 4: Simplify right side
    223,296.88x = 39,394,051,904.48
  5. Step 5: Solve for x
    x = 39,394,051,904.48/223,296.88
  6. Step 6: Final answer
    x = 176,420.07

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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.