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Finding the Fourth Proportional to 164,083.40, 246,125.13 and 39,424.40

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Solution

The fourth proportional to 164,083.40, 246,125.13 and 39,424.40 is: 59,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,083.40 : 246,125.13 = 39,424.40 : x
  2. Step 2: Convert to fraction form
    164,083.40/246,125.13 = 39,424.40/x
  3. Step 3: Cross multiply
    164,083.40x = 246,125.13 × 39,424.40
  4. Step 4: Simplify right side
    164,083.40x = 9,703,335,378.05
  5. Step 5: Solve for x
    x = 9,703,335,378.05/164,083.40
  6. Step 6: Final answer
    x = 59,136.61

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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.