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Finding the Fourth Proportional to 114,559.79, 171,785.14 and 47,081.27

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Solution

The fourth proportional to 114,559.79, 171,785.14 and 47,081.27 is: 70,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,559.79 : 171,785.14 = 47,081.27 : x
  2. Step 2: Convert to fraction form
    114,559.79/171,785.14 = 47,081.27/x
  3. Step 3: Cross multiply
    114,559.79x = 171,785.14 × 47,081.27
  4. Step 4: Simplify right side
    114,559.79x = 8,087,862,870.09
  5. Step 5: Solve for x
    x = 8,087,862,870.09/114,559.79
  6. Step 6: Final answer
    x = 70,599.49

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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.