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Finding the Fourth Proportional to 252,605.60, 348,604.16 and 137,891.03

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Solution

The fourth proportional to 252,605.60, 348,604.16 and 137,891.03 is: 190,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,605.60 : 348,604.16 = 137,891.03 : x
  2. Step 2: Convert to fraction form
    252,605.60/348,604.16 = 137,891.03/x
  3. Step 3: Cross multiply
    252,605.60x = 348,604.16 × 137,891.03
  4. Step 4: Simplify right side
    252,605.60x = 48,069,384,252.21
  5. Step 5: Solve for x
    x = 48,069,384,252.21/252,605.60
  6. Step 6: Final answer
    x = 190,294.22

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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.