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Finding the Fourth Proportional to 273,316.68, 409,978.67 and 95,828.87

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Solution

The fourth proportional to 273,316.68, 409,978.67 and 95,828.87 is: 143,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,316.68 : 409,978.67 = 95,828.87 : x
  2. Step 2: Convert to fraction form
    273,316.68/409,978.67 = 95,828.87/x
  3. Step 3: Cross multiply
    273,316.68x = 409,978.67 × 95,828.87
  4. Step 4: Simplify right side
    273,316.68x = 39,287,793,216.01
  5. Step 5: Solve for x
    x = 39,287,793,216.01/273,316.68
  6. Step 6: Final answer
    x = 143,744.59

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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.