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Finding the Fourth Proportional to 252,090.94, 347,881.02 and 137,370.58

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Solution

The fourth proportional to 252,090.94, 347,881.02 and 137,370.58 is: 189,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,090.94 : 347,881.02 = 137,370.58 : x
  2. Step 2: Convert to fraction form
    252,090.94/347,881.02 = 137,370.58/x
  3. Step 3: Cross multiply
    252,090.94x = 347,881.02 × 137,370.58
  4. Step 4: Simplify right side
    252,090.94x = 47,788,617,488.39
  5. Step 5: Solve for x
    x = 47,788,617,488.39/252,090.94
  6. Step 6: Final answer
    x = 189,568.96

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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.