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Finding the Fourth Proportional to 115,842.87, 173,494.41 and 112,650.24

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Solution

The fourth proportional to 115,842.87, 173,494.41 and 112,650.24 is: 168,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,842.87 : 173,494.41 = 112,650.24 : x
  2. Step 2: Convert to fraction form
    115,842.87/173,494.41 = 112,650.24/x
  3. Step 3: Cross multiply
    115,842.87x = 173,494.41 × 112,650.24
  4. Step 4: Simplify right side
    115,842.87x = 19,544,186,925.16
  5. Step 5: Solve for x
    x = 19,544,186,925.16/115,842.87
  6. Step 6: Final answer
    x = 168,712.90

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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.