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Finding the Fourth Proportional to 234,275.69, 351,164.77 and 121,843.39

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Solution

The fourth proportional to 234,275.69, 351,164.77 and 121,843.39 is: 182,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,275.69 : 351,164.77 = 121,843.39 : x
  2. Step 2: Convert to fraction form
    234,275.69/351,164.77 = 121,843.39/x
  3. Step 3: Cross multiply
    234,275.69x = 351,164.77 × 121,843.39
  4. Step 4: Simplify right side
    234,275.69x = 42,787,105,501.28
  5. Step 5: Solve for x
    x = 42,787,105,501.28/234,275.69
  6. Step 6: Final answer
    x = 182,635.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.