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Finding the Fourth Proportional to 149,274.90, 223,329.15 and 96,786.90

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Solution

The fourth proportional to 149,274.90, 223,329.15 and 96,786.90 is: 144,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,274.90 : 223,329.15 = 96,786.90 : x
  2. Step 2: Convert to fraction form
    149,274.90/223,329.15 = 96,786.90/x
  3. Step 3: Cross multiply
    149,274.90x = 223,329.15 × 96,786.90
  4. Step 4: Simplify right side
    149,274.90x = 21,615,336,108.14
  5. Step 5: Solve for x
    x = 21,615,336,108.14/149,274.90
  6. Step 6: Final answer
    x = 144,802.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.