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Finding the Fourth Proportional to 234,316, 323,355.60 and 126,886

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Solution

The fourth proportional to 234,316, 323,355.60 and 126,886 is: 175,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,316 : 323,355.60 = 126,886 : x
  2. Step 2: Convert to fraction form
    234,316/323,355.60 = 126,886/x
  3. Step 3: Cross multiply
    234,316x = 323,355.60 × 126,886
  4. Step 4: Simplify right side
    234,316x = 41,029,298,661.60
  5. Step 5: Solve for x
    x = 41,029,298,661.60/234,316
  6. Step 6: Final answer
    x = 175,102.42

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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.