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Finding the Fourth Proportional to 259,549.72, 389,323.86 and 62,557.72

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Solution

The fourth proportional to 259,549.72, 389,323.86 and 62,557.72 is: 93,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,549.72 : 389,323.86 = 62,557.72 : x
  2. Step 2: Convert to fraction form
    259,549.72/389,323.86 = 62,557.72/x
  3. Step 3: Cross multiply
    259,549.72x = 389,323.86 × 62,557.72
  4. Step 4: Simplify right side
    259,549.72x = 24,355,213,023.20
  5. Step 5: Solve for x
    x = 24,355,213,023.20/259,549.72
  6. Step 6: Final answer
    x = 93,836.41

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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.