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Finding the Fourth Proportional to 164,495.80, 246,743.70 and 39,836.80

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Solution

The fourth proportional to 164,495.80, 246,743.70 and 39,836.80 is: 59,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,495.80 : 246,743.70 = 39,836.80 : x
  2. Step 2: Convert to fraction form
    164,495.80/246,743.70 = 39,836.80/x
  3. Step 3: Cross multiply
    164,495.80x = 246,743.70 × 39,836.80
  4. Step 4: Simplify right side
    164,495.80x = 9,829,479,428.16
  5. Step 5: Solve for x
    x = 9,829,479,428.16/164,495.80
  6. Step 6: Final answer
    x = 59,755.20

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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.