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Finding the Fourth Proportional to 114,578.60, 171,867.90 and 113,023.40

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Solution

The fourth proportional to 114,578.60, 171,867.90 and 113,023.40 is: 169,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,578.60 : 171,867.90 = 113,023.40 : x
  2. Step 2: Convert to fraction form
    114,578.60/171,867.90 = 113,023.40/x
  3. Step 3: Cross multiply
    114,578.60x = 171,867.90 × 113,023.40
  4. Step 4: Simplify right side
    114,578.60x = 19,425,094,408.86
  5. Step 5: Solve for x
    x = 19,425,094,408.86/114,578.60
  6. Step 6: Final answer
    x = 169,535.10

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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.