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Finding the Fourth Proportional to 114,513.40, 171,770.10 and 52,305.40

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Solution

The fourth proportional to 114,513.40, 171,770.10 and 52,305.40 is: 78,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,513.40 : 171,770.10 = 52,305.40 : x
  2. Step 2: Convert to fraction form
    114,513.40/171,770.10 = 52,305.40/x
  3. Step 3: Cross multiply
    114,513.40x = 171,770.10 × 52,305.40
  4. Step 4: Simplify right side
    114,513.40x = 8,984,503,788.54
  5. Step 5: Solve for x
    x = 8,984,503,788.54/114,513.40
  6. Step 6: Final answer
    x = 78,458.10

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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.