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Finding the Fourth Proportional to 183,543.40, 275,250.30 and 65,218.60

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Solution

The fourth proportional to 183,543.40, 275,250.30 and 65,218.60 is: 97,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,543.40 : 275,250.30 = 65,218.60 : x
  2. Step 2: Convert to fraction form
    183,543.40/275,250.30 = 65,218.60/x
  3. Step 3: Cross multiply
    183,543.40x = 275,250.30 × 65,218.60
  4. Step 4: Simplify right side
    183,543.40x = 17,951,439,215.58
  5. Step 5: Solve for x
    x = 17,951,439,215.58/183,543.40
  6. Step 6: Final answer
    x = 97,804.87

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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.