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Finding the Fourth Proportional to 223,203.52, 308,073.95 and 127,765.27

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Solution

The fourth proportional to 223,203.52, 308,073.95 and 127,765.27 is: 176,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,203.52 : 308,073.95 = 127,765.27 : x
  2. Step 2: Convert to fraction form
    223,203.52/308,073.95 = 127,765.27/x
  3. Step 3: Cross multiply
    223,203.52x = 308,073.95 × 127,765.27
  4. Step 4: Simplify right side
    223,203.52x = 39,361,151,401.72
  5. Step 5: Solve for x
    x = 39,361,151,401.72/223,203.52
  6. Step 6: Final answer
    x = 176,346.46

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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.