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Finding the Fourth Proportional to 106,245.72, 146,617.92 and 58,497.84

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Solution

The fourth proportional to 106,245.72, 146,617.92 and 58,497.84 is: 80,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,245.72 : 146,617.92 = 58,497.84 : x
  2. Step 2: Convert to fraction form
    106,245.72/146,617.92 = 58,497.84/x
  3. Step 3: Cross multiply
    106,245.72x = 146,617.92 × 58,497.84
  4. Step 4: Simplify right side
    106,245.72x = 8,576,831,625.29
  5. Step 5: Solve for x
    x = 8,576,831,625.29/106,245.72
  6. Step 6: Final answer
    x = 80,726.37

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1.5x scale

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.