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Finding the Fourth Proportional to 144,953.52, 217,504.50 and 66,057.60

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Solution

The fourth proportional to 144,953.52, 217,504.50 and 66,057.60 is: 99,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,953.52 : 217,504.50 = 66,057.60 : x
  2. Step 2: Convert to fraction form
    144,953.52/217,504.50 = 66,057.60/x
  3. Step 3: Cross multiply
    144,953.52x = 217,504.50 × 66,057.60
  4. Step 4: Simplify right side
    144,953.52x = 14,367,825,259.20
  5. Step 5: Solve for x
    x = 14,367,825,259.20/144,953.52
  6. Step 6: Final answer
    x = 99,120.22

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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.