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Finding the Fourth Proportional to 259,873.89, 389,810.85 and 62,881.89

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Solution

The fourth proportional to 259,873.89, 389,810.85 and 62,881.89 is: 94,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,873.89 : 389,810.85 = 62,881.89 : x
  2. Step 2: Convert to fraction form
    259,873.89/389,810.85 = 62,881.89/x
  3. Step 3: Cross multiply
    259,873.89x = 389,810.85 × 62,881.89
  4. Step 4: Simplify right side
    259,873.89x = 24,512,042,990.51
  5. Step 5: Solve for x
    x = 24,512,042,990.51/259,873.89
  6. Step 6: Final answer
    x = 94,322.84

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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.