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Finding the Fourth Proportional to 249,240.51, 343,951.80 and 136,063.26

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Solution

The fourth proportional to 249,240.51, 343,951.80 and 136,063.26 is: 187,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,240.51 : 343,951.80 = 136,063.26 : x
  2. Step 2: Convert to fraction form
    249,240.51/343,951.80 = 136,063.26/x
  3. Step 3: Cross multiply
    249,240.51x = 343,951.80 × 136,063.26
  4. Step 4: Simplify right side
    249,240.51x = 46,799,203,190.87
  5. Step 5: Solve for x
    x = 46,799,203,190.87/249,240.51
  6. Step 6: Final answer
    x = 187,767.24

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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.