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Finding the Fourth Proportional to 249,137.76, 343,797.37 and 141,705.44

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Solution

The fourth proportional to 249,137.76, 343,797.37 and 141,705.44 is: 195,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,137.76 : 343,797.37 = 141,705.44 : x
  2. Step 2: Convert to fraction form
    249,137.76/343,797.37 = 141,705.44/x
  3. Step 3: Cross multiply
    249,137.76x = 343,797.37 × 141,705.44
  4. Step 4: Simplify right side
    249,137.76x = 48,717,957,586.69
  5. Step 5: Solve for x
    x = 48,717,957,586.69/249,137.76
  6. Step 6: Final answer
    x = 195,546.26

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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.