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Finding the Fourth Proportional to 192,959.17, 266,291.89 and 112,373.69

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Solution

The fourth proportional to 192,959.17, 266,291.89 and 112,373.69 is: 155,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,959.17 : 266,291.89 = 112,373.69 : x
  2. Step 2: Convert to fraction form
    192,959.17/266,291.89 = 112,373.69/x
  3. Step 3: Cross multiply
    192,959.17x = 266,291.89 × 112,373.69
  4. Step 4: Simplify right side
    192,959.17x = 29,924,200,683.98
  5. Step 5: Solve for x
    x = 29,924,200,683.98/192,959.17
  6. Step 6: Final answer
    x = 155,080.48

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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.