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Finding the Fourth Proportional to 223,371.60, 308,183.28 and 127,860.48

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Solution

The fourth proportional to 223,371.60, 308,183.28 and 127,860.48 is: 176,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,371.60 : 308,183.28 = 127,860.48 : x
  2. Step 2: Convert to fraction form
    223,371.60/308,183.28 = 127,860.48/x
  3. Step 3: Cross multiply
    223,371.60x = 308,183.28 × 127,860.48
  4. Step 4: Simplify right side
    223,371.60x = 39,404,462,108.77
  5. Step 5: Solve for x
    x = 39,404,462,108.77/223,371.60
  6. Step 6: Final answer
    x = 176,407.66

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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.