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Finding the Fourth Proportional to 234,485.80, 323,591.70 and 127,055.92

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Solution

The fourth proportional to 234,485.80, 323,591.70 and 127,055.92 is: 175,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,485.80 : 323,591.70 = 127,055.92 : x
  2. Step 2: Convert to fraction form
    234,485.80/323,591.70 = 127,055.92/x
  3. Step 3: Cross multiply
    234,485.80x = 323,591.70 × 127,055.92
  4. Step 4: Simplify right side
    234,485.80x = 41,114,241,147.86
  5. Step 5: Solve for x
    x = 41,114,241,147.86/234,485.80
  6. Step 6: Final answer
    x = 175,337.87

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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.