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Finding the Fourth Proportional to 275,647.47, 413,208.72 and 88,527.75

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Solution

The fourth proportional to 275,647.47, 413,208.72 and 88,527.75 is: 132,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,647.47 : 413,208.72 = 88,527.75 : x
  2. Step 2: Convert to fraction form
    275,647.47/413,208.72 = 88,527.75/x
  3. Step 3: Cross multiply
    275,647.47x = 413,208.72 × 88,527.75
  4. Step 4: Simplify right side
    275,647.47x = 36,580,438,261.98
  5. Step 5: Solve for x
    x = 36,580,438,261.98/275,647.47
  6. Step 6: Final answer
    x = 132,707.32

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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.