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Finding the Fourth Proportional to 244,029.60, 366,055.74 and 86,274

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Solution

The fourth proportional to 244,029.60, 366,055.74 and 86,274 is: 129,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,029.60 : 366,055.74 = 86,274 : x
  2. Step 2: Convert to fraction form
    244,029.60/366,055.74 = 86,274/x
  3. Step 3: Cross multiply
    244,029.60x = 366,055.74 × 86,274
  4. Step 4: Simplify right side
    244,029.60x = 31,581,092,912.76
  5. Step 5: Solve for x
    x = 31,581,092,912.76/244,029.60
  6. Step 6: Final answer
    x = 129,415.01

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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.