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Finding the Fourth Proportional to 535,536.75, 803,308.14 and 136,177.77

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Solution

The fourth proportional to 535,536.75, 803,308.14 and 136,177.77 is: 204,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,536.75 : 803,308.14 = 136,177.77 : x
  2. Step 2: Convert to fraction form
    535,536.75/803,308.14 = 136,177.77/x
  3. Step 3: Cross multiply
    535,536.75x = 803,308.14 × 136,177.77
  4. Step 4: Simplify right side
    535,536.75x = 109,392,711,128.05
  5. Step 5: Solve for x
    x = 109,392,711,128.05/535,536.75
  6. Step 6: Final answer
    x = 204,267.42

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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.