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Finding the Fourth Proportional to 249,853.26, 344,803.02 and 136,676

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Solution

The fourth proportional to 249,853.26, 344,803.02 and 136,676 is: 188,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,853.26 : 344,803.02 = 136,676 : x
  2. Step 2: Convert to fraction form
    249,853.26/344,803.02 = 136,676/x
  3. Step 3: Cross multiply
    249,853.26x = 344,803.02 × 136,676
  4. Step 4: Simplify right side
    249,853.26x = 47,126,297,561.52
  5. Step 5: Solve for x
    x = 47,126,297,561.52/249,853.26
  6. Step 6: Final answer
    x = 188,615.90

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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.