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Finding the Fourth Proportional to 270,615.52, 405,892.07 and 70,951.76

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Solution

The fourth proportional to 270,615.52, 405,892.07 and 70,951.76 is: 106,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,615.52 : 405,892.07 = 70,951.76 : x
  2. Step 2: Convert to fraction form
    270,615.52/405,892.07 = 70,951.76/x
  3. Step 3: Cross multiply
    270,615.52x = 405,892.07 × 70,951.76
  4. Step 4: Simplify right side
    270,615.52x = 28,798,756,736.54
  5. Step 5: Solve for x
    x = 28,798,756,736.54/270,615.52
  6. Step 6: Final answer
    x = 106,419.46

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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.