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Finding the Fourth Proportional to 143,068.12, 214,553.58 and 49,552

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Solution

The fourth proportional to 143,068.12, 214,553.58 and 49,552 is: 74,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,068.12 : 214,553.58 = 49,552 : x
  2. Step 2: Convert to fraction form
    143,068.12/214,553.58 = 49,552/x
  3. Step 3: Cross multiply
    143,068.12x = 214,553.58 × 49,552
  4. Step 4: Simplify right side
    143,068.12x = 10,631,558,996.16
  5. Step 5: Solve for x
    x = 10,631,558,996.16/143,068.12
  6. Step 6: Final answer
    x = 74,311.17

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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.