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Finding the Fourth Proportional to 202,419.65, 277,313.65 and 194,849.90

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Solution

The fourth proportional to 202,419.65, 277,313.65 and 194,849.90 is: 266,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,419.65 : 277,313.65 = 194,849.90 : x
  2. Step 2: Convert to fraction form
    202,419.65/277,313.65 = 194,849.90/x
  3. Step 3: Cross multiply
    202,419.65x = 277,313.65 × 194,849.90
  4. Step 4: Simplify right side
    202,419.65x = 54,034,536,971.14
  5. Step 5: Solve for x
    x = 54,034,536,971.14/202,419.65
  6. Step 6: Final answer
    x = 266,943.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.