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Finding the Fourth Proportional to 230,587.35, 345,986.11 and 118,346.39

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Solution

The fourth proportional to 230,587.35, 345,986.11 and 118,346.39 is: 177,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,587.35 : 345,986.11 = 118,346.39 : x
  2. Step 2: Convert to fraction form
    230,587.35/345,986.11 = 118,346.39/x
  3. Step 3: Cross multiply
    230,587.35x = 345,986.11 × 118,346.39
  4. Step 4: Simplify right side
    230,587.35x = 40,946,205,748.54
  5. Step 5: Solve for x
    x = 40,946,205,748.54/230,587.35
  6. Step 6: Final answer
    x = 177,573.52

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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.