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Finding the Fourth Proportional to 127,299.53, 175,676.13 and 69,939.59

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Solution

The fourth proportional to 127,299.53, 175,676.13 and 69,939.59 is: 96,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.53 : 175,676.13 = 69,939.59 : x
  2. Step 2: Convert to fraction form
    127,299.53/175,676.13 = 69,939.59/x
  3. Step 3: Cross multiply
    127,299.53x = 175,676.13 × 69,939.59
  4. Step 4: Simplify right side
    127,299.53x = 12,286,716,504.99
  5. Step 5: Solve for x
    x = 12,286,716,504.99/127,299.53
  6. Step 6: Final answer
    x = 96,518.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.