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Finding the Fourth Proportional to 114,005.92, 157,327.92 and 63,704.92

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Solution

The fourth proportional to 114,005.92, 157,327.92 and 63,704.92 is: 87,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,005.92 : 157,327.92 = 63,704.92 : x
  2. Step 2: Convert to fraction form
    114,005.92/157,327.92 = 63,704.92/x
  3. Step 3: Cross multiply
    114,005.92x = 157,327.92 × 63,704.92
  4. Step 4: Simplify right side
    114,005.92x = 10,022,562,557.37
  5. Step 5: Solve for x
    x = 10,022,562,557.37/114,005.92
  6. Step 6: Final answer
    x = 87,912.65

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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.