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Finding the Fourth Proportional to 234,959.67, 352,499.58 and 77,189.49

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Solution

The fourth proportional to 234,959.67, 352,499.58 and 77,189.49 is: 115,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,959.67 : 352,499.58 = 77,189.49 : x
  2. Step 2: Convert to fraction form
    234,959.67/352,499.58 = 77,189.49/x
  3. Step 3: Cross multiply
    234,959.67x = 352,499.58 × 77,189.49
  4. Step 4: Simplify right side
    234,959.67x = 27,209,262,805.41
  5. Step 5: Solve for x
    x = 27,209,262,805.41/234,959.67
  6. Step 6: Final answer
    x = 115,803.97

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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.