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Finding the Fourth Proportional to 259,867.88, 389,801.82 and 62,875.88

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Solution

The fourth proportional to 259,867.88, 389,801.82 and 62,875.88 is: 94,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,867.88 : 389,801.82 = 62,875.88 : x
  2. Step 2: Convert to fraction form
    259,867.88/389,801.82 = 62,875.88/x
  3. Step 3: Cross multiply
    259,867.88x = 389,801.82 × 62,875.88
  4. Step 4: Simplify right side
    259,867.88x = 24,509,130,509.09
  5. Step 5: Solve for x
    x = 24,509,130,509.09/259,867.88
  6. Step 6: Final answer
    x = 94,313.81

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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.