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Finding the Fourth Proportional to 114,423.53, 157,871.88 and 66,667.64

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Solution

The fourth proportional to 114,423.53, 157,871.88 and 66,667.64 is: 91,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,423.53 : 157,871.88 = 66,667.64 : x
  2. Step 2: Convert to fraction form
    114,423.53/157,871.88 = 66,667.64/x
  3. Step 3: Cross multiply
    114,423.53x = 157,871.88 × 66,667.64
  4. Step 4: Simplify right side
    114,423.53x = 10,524,944,872.60
  5. Step 5: Solve for x
    x = 10,524,944,872.60/114,423.53
  6. Step 6: Final answer
    x = 91,982.35

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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.