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Finding the Fourth Proportional to 165,615, 248,426.59 and 60,433.94

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Solution

The fourth proportional to 165,615, 248,426.59 and 60,433.94 is: 90,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,615 : 248,426.59 = 60,433.94 : x
  2. Step 2: Convert to fraction form
    165,615/248,426.59 = 60,433.94/x
  3. Step 3: Cross multiply
    165,615x = 248,426.59 × 60,433.94
  4. Step 4: Simplify right side
    165,615x = 15,013,397,634.46
  5. Step 5: Solve for x
    x = 15,013,397,634.46/165,615
  6. Step 6: Final answer
    x = 90,652.40

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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.