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Finding the Fourth Proportional to 335,892.96, 503,664.48 and 125,357.76

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Solution

The fourth proportional to 335,892.96, 503,664.48 and 125,357.76 is: 187,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,892.96 : 503,664.48 = 125,357.76 : x
  2. Step 2: Convert to fraction form
    335,892.96/503,664.48 = 125,357.76/x
  3. Step 3: Cross multiply
    335,892.96x = 503,664.48 × 125,357.76
  4. Step 4: Simplify right side
    335,892.96x = 63,138,251,004.36
  5. Step 5: Solve for x
    x = 63,138,251,004.36/335,892.96
  6. Step 6: Final answer
    x = 187,971.34

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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.