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Finding the Fourth Proportional to 275,767.65, 413,602.20 and 73,364.85

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Solution

The fourth proportional to 275,767.65, 413,602.20 and 73,364.85 is: 110,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,767.65 : 413,602.20 = 73,364.85 : x
  2. Step 2: Convert to fraction form
    275,767.65/413,602.20 = 73,364.85/x
  3. Step 3: Cross multiply
    275,767.65x = 413,602.20 × 73,364.85
  4. Step 4: Simplify right side
    275,767.65x = 30,343,863,362.67
  5. Step 5: Solve for x
    x = 30,343,863,362.67/275,767.65
  6. Step 6: Final answer
    x = 110,034.17

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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.