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Finding the Fourth Proportional to 345,196.76, 517,817.46 and 108,548.60

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Solution

The fourth proportional to 345,196.76, 517,817.46 and 108,548.60 is: 162,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,196.76 : 517,817.46 = 108,548.60 : x
  2. Step 2: Convert to fraction form
    345,196.76/517,817.46 = 108,548.60/x
  3. Step 3: Cross multiply
    345,196.76x = 517,817.46 × 108,548.60
  4. Step 4: Simplify right side
    345,196.76x = 56,208,360,338.56
  5. Step 5: Solve for x
    x = 56,208,360,338.56/345,196.76
  6. Step 6: Final answer
    x = 162,829.92

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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.