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Finding the Fourth Proportional to 234,258.69, 323,276.54 and 126,828.71

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Solution

The fourth proportional to 234,258.69, 323,276.54 and 126,828.71 is: 175,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,258.69 : 323,276.54 = 126,828.71 : x
  2. Step 2: Convert to fraction form
    234,258.69/323,276.54 = 126,828.71/x
  3. Step 3: Cross multiply
    234,258.69x = 323,276.54 × 126,828.71
  4. Step 4: Simplify right side
    234,258.69x = 41,000,744,290.94
  5. Step 5: Solve for x
    x = 41,000,744,290.94/234,258.69
  6. Step 6: Final answer
    x = 175,023.37

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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.