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Finding the Fourth Proportional to 114,059.16, 157,349.32 and 73,785.91

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Solution

The fourth proportional to 114,059.16, 157,349.32 and 73,785.91 is: 101,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,059.16 : 157,349.32 = 73,785.91 : x
  2. Step 2: Convert to fraction form
    114,059.16/157,349.32 = 73,785.91/x
  3. Step 3: Cross multiply
    114,059.16x = 157,349.32 × 73,785.91
  4. Step 4: Simplify right side
    114,059.16x = 11,610,162,764.08
  5. Step 5: Solve for x
    x = 11,610,162,764.08/114,059.16
  6. Step 6: Final answer
    x = 101,790.71

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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.