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Finding the Fourth Proportional to 170,146.64, 255,200.48 and 45,497.36

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Solution

The fourth proportional to 170,146.64, 255,200.48 and 45,497.36 is: 68,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,146.64 : 255,200.48 = 45,497.36 : x
  2. Step 2: Convert to fraction form
    170,146.64/255,200.48 = 45,497.36/x
  3. Step 3: Cross multiply
    170,146.64x = 255,200.48 × 45,497.36
  4. Step 4: Simplify right side
    170,146.64x = 11,610,948,110.73
  5. Step 5: Solve for x
    x = 11,610,948,110.73/170,146.64
  6. Step 6: Final answer
    x = 68,240.83

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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.