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Finding the Fourth Proportional to 113,995.92, 157,314.04 and 63,694.96

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Solution

The fourth proportional to 113,995.92, 157,314.04 and 63,694.96 is: 87,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,995.92 : 157,314.04 = 63,694.96 : x
  2. Step 2: Convert to fraction form
    113,995.92/157,314.04 = 63,694.96/x
  3. Step 3: Cross multiply
    113,995.92x = 157,314.04 × 63,694.96
  4. Step 4: Simplify right side
    113,995.92x = 10,020,111,485.24
  5. Step 5: Solve for x
    x = 10,020,111,485.24/113,995.92
  6. Step 6: Final answer
    x = 87,898.86

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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.