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Finding the Fourth Proportional to 115,533.91, 173,300.32 and 31,293.91

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Solution

The fourth proportional to 115,533.91, 173,300.32 and 31,293.91 is: 46,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,533.91 : 173,300.32 = 31,293.91 : x
  2. Step 2: Convert to fraction form
    115,533.91/173,300.32 = 31,293.91/x
  3. Step 3: Cross multiply
    115,533.91x = 173,300.32 × 31,293.91
  4. Step 4: Simplify right side
    115,533.91x = 5,423,243,594.08
  5. Step 5: Solve for x
    x = 5,423,243,594.08/115,533.91
  6. Step 6: Final answer
    x = 46,940.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.