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Finding the Fourth Proportional to 191,797.26, 264,556.70 and 127,265.10

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Solution

The fourth proportional to 191,797.26, 264,556.70 and 127,265.10 is: 175,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,797.26 : 264,556.70 = 127,265.10 : x
  2. Step 2: Convert to fraction form
    191,797.26/264,556.70 = 127,265.10/x
  3. Step 3: Cross multiply
    191,797.26x = 264,556.70 × 127,265.10
  4. Step 4: Simplify right side
    191,797.26x = 33,668,834,881.17
  5. Step 5: Solve for x
    x = 33,668,834,881.17/191,797.26
  6. Step 6: Final answer
    x = 175,543.88

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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.