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Finding the Fourth Proportional to 114,157.87, 157,533.79 and 63,169.72

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Solution

The fourth proportional to 114,157.87, 157,533.79 and 63,169.72 is: 87,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,157.87 : 157,533.79 = 63,169.72 : x
  2. Step 2: Convert to fraction form
    114,157.87/157,533.79 = 63,169.72/x
  3. Step 3: Cross multiply
    114,157.87x = 157,533.79 × 63,169.72
  4. Step 4: Simplify right side
    114,157.87x = 9,951,365,404.84
  5. Step 5: Solve for x
    x = 9,951,365,404.84/114,157.87
  6. Step 6: Final answer
    x = 87,171.96

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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.