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Finding the Fourth Proportional to 234,857.70, 352,154.52 and 77,072.94

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Solution

The fourth proportional to 234,857.70, 352,154.52 and 77,072.94 is: 115,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,857.70 : 352,154.52 = 77,072.94 : x
  2. Step 2: Convert to fraction form
    234,857.70/352,154.52 = 77,072.94/x
  3. Step 3: Cross multiply
    234,857.70x = 352,154.52 × 77,072.94
  4. Step 4: Simplify right side
    234,857.70x = 27,141,584,190.69
  5. Step 5: Solve for x
    x = 27,141,584,190.69/234,857.70
  6. Step 6: Final answer
    x = 115,566.08

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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.