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Finding the Fourth Proportional to 276,630.47, 414,699.53 and 108,112.47

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Solution

The fourth proportional to 276,630.47, 414,699.53 and 108,112.47 is: 162,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,630.47 : 414,699.53 = 108,112.47 : x
  2. Step 2: Convert to fraction form
    276,630.47/414,699.53 = 108,112.47/x
  3. Step 3: Cross multiply
    276,630.47x = 414,699.53 × 108,112.47
  4. Step 4: Simplify right side
    276,630.47x = 44,834,189,955.58
  5. Step 5: Solve for x
    x = 44,834,189,955.58/276,630.47
  6. Step 6: Final answer
    x = 162,072.50

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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.