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Finding the Fourth Proportional to 234,322.19, 323,364.80 and 126,892.34

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Solution

The fourth proportional to 234,322.19, 323,364.80 and 126,892.34 is: 175,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,322.19 : 323,364.80 = 126,892.34 : x
  2. Step 2: Convert to fraction form
    234,322.19/323,364.80 = 126,892.34/x
  3. Step 3: Cross multiply
    234,322.19x = 323,364.80 × 126,892.34
  4. Step 4: Simplify right side
    234,322.19x = 41,032,515,511.17
  5. Step 5: Solve for x
    x = 41,032,515,511.17/234,322.19
  6. Step 6: Final answer
    x = 175,111.52

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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.