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Finding the Fourth Proportional to 45,134, 62,270.52 and 29,230.64

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Solution

The fourth proportional to 45,134, 62,270.52 and 29,230.64 is: 40,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,134 : 62,270.52 = 29,230.64 : x
  2. Step 2: Convert to fraction form
    45,134/62,270.52 = 29,230.64/x
  3. Step 3: Cross multiply
    45,134x = 62,270.52 × 29,230.64
  4. Step 4: Simplify right side
    45,134x = 1,820,207,152.73
  5. Step 5: Solve for x
    x = 1,820,207,152.73/45,134
  6. Step 6: Final answer
    x = 40,328.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.