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Finding the Fourth Proportional to 229,893.80, 345,099.90 and 177,535.40

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Solution

The fourth proportional to 229,893.80, 345,099.90 and 177,535.40 is: 266,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,893.80 : 345,099.90 = 177,535.40 : x
  2. Step 2: Convert to fraction form
    229,893.80/345,099.90 = 177,535.40/x
  3. Step 3: Cross multiply
    229,893.80x = 345,099.90 × 177,535.40
  4. Step 4: Simplify right side
    229,893.80x = 61,267,448,786.46
  5. Step 5: Solve for x
    x = 61,267,448,786.46/229,893.80
  6. Step 6: Final answer
    x = 266,503.27

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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.