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Finding the Fourth Proportional to 234,373, 323,434.58 and 126,943

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Solution

The fourth proportional to 234,373, 323,434.58 and 126,943 is: 175,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,373 : 323,434.58 = 126,943 : x
  2. Step 2: Convert to fraction form
    234,373/323,434.58 = 126,943/x
  3. Step 3: Cross multiply
    234,373x = 323,434.58 × 126,943
  4. Step 4: Simplify right side
    234,373x = 41,057,755,888.94
  5. Step 5: Solve for x
    x = 41,057,755,888.94/234,373
  6. Step 6: Final answer
    x = 175,181.25

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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.