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Finding the Fourth Proportional to 181,067.70, 249,815.49 and 104,576.64

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Solution

The fourth proportional to 181,067.70, 249,815.49 and 104,576.64 is: 144,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,067.70 : 249,815.49 = 104,576.64 : x
  2. Step 2: Convert to fraction form
    181,067.70/249,815.49 = 104,576.64/x
  3. Step 3: Cross multiply
    181,067.70x = 249,815.49 × 104,576.64
  4. Step 4: Simplify right side
    181,067.70x = 26,124,864,564.15
  5. Step 5: Solve for x
    x = 26,124,864,564.15/181,067.70
  6. Step 6: Final answer
    x = 144,282.30

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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.