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Finding the Fourth Proportional to 272,104.70, 375,488.40 and 151,241.84

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Solution

The fourth proportional to 272,104.70, 375,488.40 and 151,241.84 is: 208,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,104.70 : 375,488.40 = 151,241.84 : x
  2. Step 2: Convert to fraction form
    272,104.70/375,488.40 = 151,241.84/x
  3. Step 3: Cross multiply
    272,104.70x = 375,488.40 × 151,241.84
  4. Step 4: Simplify right side
    272,104.70x = 56,789,556,514.66
  5. Step 5: Solve for x
    x = 56,789,556,514.66/272,104.70
  6. Step 6: Final answer
    x = 208,704.80

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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.