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Finding the Fourth Proportional to 176,556.48, 243,726.48 and 104,959.68

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Solution

The fourth proportional to 176,556.48, 243,726.48 and 104,959.68 is: 144,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,556.48 : 243,726.48 = 104,959.68 : x
  2. Step 2: Convert to fraction form
    176,556.48/243,726.48 = 104,959.68/x
  3. Step 3: Cross multiply
    176,556.48x = 243,726.48 × 104,959.68
  4. Step 4: Simplify right side
    176,556.48x = 25,581,453,348.33
  5. Step 5: Solve for x
    x = 25,581,453,348.33/176,556.48
  6. Step 6: Final answer
    x = 144,891.05

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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.