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Finding the Fourth Proportional to 170,146.72, 255,200.64 and 45,497.44

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Solution

The fourth proportional to 170,146.72, 255,200.64 and 45,497.44 is: 68,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,146.72 : 255,200.64 = 45,497.44 : x
  2. Step 2: Convert to fraction form
    170,146.72/255,200.64 = 45,497.44/x
  3. Step 3: Cross multiply
    170,146.72x = 255,200.64 × 45,497.44
  4. Step 4: Simplify right side
    170,146.72x = 11,610,975,806.36
  5. Step 5: Solve for x
    x = 11,610,975,806.36/170,146.72
  6. Step 6: Final answer
    x = 68,240.96

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1.5x scale

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.