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Finding the Fourth Proportional to 114,607.50, 158,157.09 and 63,620.64

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Solution

The fourth proportional to 114,607.50, 158,157.09 and 63,620.64 is: 87,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,607.50 : 158,157.09 = 63,620.64 : x
  2. Step 2: Convert to fraction form
    114,607.50/158,157.09 = 63,620.64/x
  3. Step 3: Cross multiply
    114,607.50x = 158,157.09 × 63,620.64
  4. Step 4: Simplify right side
    114,607.50x = 10,062,055,286.34
  5. Step 5: Solve for x
    x = 10,062,055,286.34/114,607.50
  6. Step 6: Final answer
    x = 87,795.78

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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.