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Finding the Fourth Proportional to 196,261.70, 294,195.70 and 91,154.48

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Solution

The fourth proportional to 196,261.70, 294,195.70 and 91,154.48 is: 136,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,261.70 : 294,195.70 = 91,154.48 : x
  2. Step 2: Convert to fraction form
    196,261.70/294,195.70 = 91,154.48/x
  3. Step 3: Cross multiply
    196,261.70x = 294,195.70 × 91,154.48
  4. Step 4: Simplify right side
    196,261.70x = 26,817,256,051.74
  5. Step 5: Solve for x
    x = 26,817,256,051.74/196,261.70
  6. Step 6: Final answer
    x = 136,640.29

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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.