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Finding the Fourth Proportional to 114,568.10, 171,811.13 and 39,668.14

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Solution

The fourth proportional to 114,568.10, 171,811.13 and 39,668.14 is: 59,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,568.10 : 171,811.13 = 39,668.14 : x
  2. Step 2: Convert to fraction form
    114,568.10/171,811.13 = 39,668.14/x
  3. Step 3: Cross multiply
    114,568.10x = 171,811.13 × 39,668.14
  4. Step 4: Simplify right side
    114,568.10x = 6,815,427,628.04
  5. Step 5: Solve for x
    x = 6,815,427,628.04/114,568.10
  6. Step 6: Final answer
    x = 59,488.01

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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.