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Finding the Fourth Proportional to 249,472.36, 344,270.82 and 136,297

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Solution

The fourth proportional to 249,472.36, 344,270.82 and 136,297 is: 188,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,472.36 : 344,270.82 = 136,297 : x
  2. Step 2: Convert to fraction form
    249,472.36/344,270.82 = 136,297/x
  3. Step 3: Cross multiply
    249,472.36x = 344,270.82 × 136,297
  4. Step 4: Simplify right side
    249,472.36x = 46,923,079,953.54
  5. Step 5: Solve for x
    x = 46,923,079,953.54/249,472.36
  6. Step 6: Final answer
    x = 188,089.29

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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.