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Finding the Fourth Proportional to 181,076.77, 249,969.61 and 108,514.14

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Solution

The fourth proportional to 181,076.77, 249,969.61 and 108,514.14 is: 149,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,076.77 : 249,969.61 = 108,514.14 : x
  2. Step 2: Convert to fraction form
    181,076.77/249,969.61 = 108,514.14/x
  3. Step 3: Cross multiply
    181,076.77x = 249,969.61 × 108,514.14
  4. Step 4: Simplify right side
    181,076.77x = 27,125,237,255.29
  5. Step 5: Solve for x
    x = 27,125,237,255.29/181,076.77
  6. Step 6: Final answer
    x = 149,799.65

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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.