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Finding the Fourth Proportional to 170,458.56, 255,724.76 and 65,277.54

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Solution

The fourth proportional to 170,458.56, 255,724.76 and 65,277.54 is: 97,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,458.56 : 255,724.76 = 65,277.54 : x
  2. Step 2: Convert to fraction form
    170,458.56/255,724.76 = 65,277.54/x
  3. Step 3: Cross multiply
    170,458.56x = 255,724.76 × 65,277.54
  4. Step 4: Simplify right side
    170,458.56x = 16,693,083,249.89
  5. Step 5: Solve for x
    x = 16,693,083,249.89/170,458.56
  6. Step 6: Final answer
    x = 97,930.45

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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.