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Finding the Fourth Proportional to 234,709.45, 352,159.85 and 84,965.56

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Solution

The fourth proportional to 234,709.45, 352,159.85 and 84,965.56 is: 127,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,709.45 : 352,159.85 = 84,965.56 : x
  2. Step 2: Convert to fraction form
    234,709.45/352,159.85 = 84,965.56/x
  3. Step 3: Cross multiply
    234,709.45x = 352,159.85 × 84,965.56
  4. Step 4: Simplify right side
    234,709.45x = 29,921,458,196.78
  5. Step 5: Solve for x
    x = 29,921,458,196.78/234,709.45
  6. Step 6: Final answer
    x = 127,482.97

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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.