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Finding the Fourth Proportional to 252,078.51, 347,892.27 and 144,672.51

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Solution

The fourth proportional to 252,078.51, 347,892.27 and 144,672.51 is: 199,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,078.51 : 347,892.27 = 144,672.51 : x
  2. Step 2: Convert to fraction form
    252,078.51/347,892.27 = 144,672.51/x
  3. Step 3: Cross multiply
    252,078.51x = 347,892.27 × 144,672.51
  4. Step 4: Simplify right side
    252,078.51x = 50,330,447,910.50
  5. Step 5: Solve for x
    x = 50,330,447,910.50/252,078.51
  6. Step 6: Final answer
    x = 199,661.80

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1.5x scale

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.