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Finding the Fourth Proportional to 235,007.16, 324,310.28 and 134,405.16

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Solution

The fourth proportional to 235,007.16, 324,310.28 and 134,405.16 is: 185,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,007.16 : 324,310.28 = 134,405.16 : x
  2. Step 2: Convert to fraction form
    235,007.16/324,310.28 = 134,405.16/x
  3. Step 3: Cross multiply
    235,007.16x = 324,310.28 × 134,405.16
  4. Step 4: Simplify right side
    235,007.16x = 43,588,973,940.88
  5. Step 5: Solve for x
    x = 43,588,973,940.88/235,007.16
  6. Step 6: Final answer
    x = 185,479.35

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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.