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Finding the Fourth Proportional to 249,959.25, 344,950.56 and 153,161.37

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Solution

The fourth proportional to 249,959.25, 344,950.56 and 153,161.37 is: 211,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,959.25 : 344,950.56 = 153,161.37 : x
  2. Step 2: Convert to fraction form
    249,959.25/344,950.56 = 153,161.37/x
  3. Step 3: Cross multiply
    249,959.25x = 344,950.56 × 153,161.37
  4. Step 4: Simplify right side
    249,959.25x = 52,833,100,351.87
  5. Step 5: Solve for x
    x = 52,833,100,351.87/249,959.25
  6. Step 6: Final answer
    x = 211,366.85

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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.