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Finding the Fourth Proportional to 234,098.61, 323,055.05 and 126,670.55

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Solution

The fourth proportional to 234,098.61, 323,055.05 and 126,670.55 is: 174,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,098.61 : 323,055.05 = 126,670.55 : x
  2. Step 2: Convert to fraction form
    234,098.61/323,055.05 = 126,670.55/x
  3. Step 3: Cross multiply
    234,098.61x = 323,055.05 × 126,670.55
  4. Step 4: Simplify right side
    234,098.61x = 40,921,558,615.15
  5. Step 5: Solve for x
    x = 40,921,558,615.15/234,098.61
  6. Step 6: Final answer
    x = 174,804.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.