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Finding the Fourth Proportional to 252,055.89, 347,845.01 and 144,645.57

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Solution

The fourth proportional to 252,055.89, 347,845.01 and 144,645.57 is: 199,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,055.89 : 347,845.01 = 144,645.57 : x
  2. Step 2: Convert to fraction form
    252,055.89/347,845.01 = 144,645.57/x
  3. Step 3: Cross multiply
    252,055.89x = 347,845.01 × 144,645.57
  4. Step 4: Simplify right side
    252,055.89x = 50,314,239,019.88
  5. Step 5: Solve for x
    x = 50,314,239,019.88/252,055.89
  6. Step 6: Final answer
    x = 199,615.41

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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.