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Finding the Fourth Proportional to 234,322.72, 323,365.65 and 126,892.91

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Solution

The fourth proportional to 234,322.72, 323,365.65 and 126,892.91 is: 175,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,322.72 : 323,365.65 = 126,892.91 : x
  2. Step 2: Convert to fraction form
    234,322.72/323,365.65 = 126,892.91/x
  3. Step 3: Cross multiply
    234,322.72x = 323,365.65 × 126,892.91
  4. Step 4: Simplify right side
    234,322.72x = 41,032,808,322.54
  5. Step 5: Solve for x
    x = 41,032,808,322.54/234,322.72
  6. Step 6: Final answer
    x = 175,112.38

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1.5x scale

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.