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Finding the Fourth Proportional to 314,991.72, 472,453.02 and 112,544.64

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Solution

The fourth proportional to 314,991.72, 472,453.02 and 112,544.64 is: 168,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,991.72 : 472,453.02 = 112,544.64 : x
  2. Step 2: Convert to fraction form
    314,991.72/472,453.02 = 112,544.64/x
  3. Step 3: Cross multiply
    314,991.72x = 472,453.02 × 112,544.64
  4. Step 4: Simplify right side
    314,991.72x = 53,172,055,052.81
  5. Step 5: Solve for x
    x = 53,172,055,052.81/314,991.72
  6. Step 6: Final answer
    x = 168,804.61

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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.