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Finding the Fourth Proportional to 229,136.60, 344,012.70 and 134,463.80

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Solution

The fourth proportional to 229,136.60, 344,012.70 and 134,463.80 is: 201,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,136.60 : 344,012.70 = 134,463.80 : x
  2. Step 2: Convert to fraction form
    229,136.60/344,012.70 = 134,463.80/x
  3. Step 3: Cross multiply
    229,136.60x = 344,012.70 × 134,463.80
  4. Step 4: Simplify right side
    229,136.60x = 46,257,254,890.26
  5. Step 5: Solve for x
    x = 46,257,254,890.26/229,136.60
  6. Step 6: Final answer
    x = 201,876.33

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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.