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Finding the Fourth Proportional to 114,507.64, 158,019.96 and 64,206.64

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Solution

The fourth proportional to 114,507.64, 158,019.96 and 64,206.64 is: 88,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,507.64 : 158,019.96 = 64,206.64 : x
  2. Step 2: Convert to fraction form
    114,507.64/158,019.96 = 64,206.64/x
  3. Step 3: Cross multiply
    114,507.64x = 158,019.96 × 64,206.64
  4. Step 4: Simplify right side
    114,507.64x = 10,145,930,684.53
  5. Step 5: Solve for x
    x = 10,145,930,684.53/114,507.64
  6. Step 6: Final answer
    x = 88,604.84

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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.