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Finding the Fourth Proportional to 252,782.60, 348,842.38 and 143,881.62

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Solution

The fourth proportional to 252,782.60, 348,842.38 and 143,881.62 is: 198,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,782.60 : 348,842.38 = 143,881.62 : x
  2. Step 2: Convert to fraction form
    252,782.60/348,842.38 = 143,881.62/x
  3. Step 3: Cross multiply
    252,782.60x = 348,842.38 × 143,881.62
  4. Step 4: Simplify right side
    252,782.60x = 50,192,006,759.06
  5. Step 5: Solve for x
    x = 50,192,006,759.06/252,782.60
  6. Step 6: Final answer
    x = 198,558.00

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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.