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Finding the Fourth Proportional to 537,129.07, 805,693.82 and 137,769.82

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Solution

The fourth proportional to 537,129.07, 805,693.82 and 137,769.82 is: 206,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,129.07 : 805,693.82 = 137,769.82 : x
  2. Step 2: Convert to fraction form
    537,129.07/805,693.82 = 137,769.82/x
  3. Step 3: Cross multiply
    537,129.07x = 805,693.82 × 137,769.82
  4. Step 4: Simplify right side
    537,129.07x = 111,000,292,556.51
  5. Step 5: Solve for x
    x = 111,000,292,556.51/537,129.07
  6. Step 6: Final answer
    x = 206,654.79

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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.