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Finding the Fourth Proportional to 114,676.50, 158,253.66 and 64,391.70

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Solution

The fourth proportional to 114,676.50, 158,253.66 and 64,391.70 is: 88,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,676.50 : 158,253.66 = 64,391.70 : x
  2. Step 2: Convert to fraction form
    114,676.50/158,253.66 = 64,391.70/x
  3. Step 3: Cross multiply
    114,676.50x = 158,253.66 × 64,391.70
  4. Step 4: Simplify right side
    114,676.50x = 10,190,222,198.62
  5. Step 5: Solve for x
    x = 10,190,222,198.62/114,676.50
  6. Step 6: Final answer
    x = 88,860.60

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1.5x scale

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.