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Finding the Fourth Proportional to 179,775.70, 248,139.81 and 104,348.50

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Solution

The fourth proportional to 179,775.70, 248,139.81 and 104,348.50 is: 144,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,775.70 : 248,139.81 = 104,348.50 : x
  2. Step 2: Convert to fraction form
    179,775.70/248,139.81 = 104,348.50/x
  3. Step 3: Cross multiply
    179,775.70x = 248,139.81 × 104,348.50
  4. Step 4: Simplify right side
    179,775.70x = 25,893,016,963.79
  5. Step 5: Solve for x
    x = 25,893,016,963.79/179,775.70
  6. Step 6: Final answer
    x = 144,029.57

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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.