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Finding the Fourth Proportional to 143,026.60, 214,475.10 and 54,250.60

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Solution

The fourth proportional to 143,026.60, 214,475.10 and 54,250.60 is: 81,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,026.60 : 214,475.10 = 54,250.60 : x
  2. Step 2: Convert to fraction form
    143,026.60/214,475.10 = 54,250.60/x
  3. Step 3: Cross multiply
    143,026.60x = 214,475.10 × 54,250.60
  4. Step 4: Simplify right side
    143,026.60x = 11,635,402,860.06
  5. Step 5: Solve for x
    x = 11,635,402,860.06/143,026.60
  6. Step 6: Final answer
    x = 81,351.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.