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Finding the Fourth Proportional to 235,141.36, 352,600.92 and 91,114.64

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Solution

The fourth proportional to 235,141.36, 352,600.92 and 91,114.64 is: 136,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,141.36 : 352,600.92 = 91,114.64 : x
  2. Step 2: Convert to fraction form
    235,141.36/352,600.92 = 91,114.64/x
  3. Step 3: Cross multiply
    235,141.36x = 352,600.92 × 91,114.64
  4. Step 4: Simplify right side
    235,141.36x = 32,127,105,889.47
  5. Step 5: Solve for x
    x = 32,127,105,889.47/235,141.36
  6. Step 6: Final answer
    x = 136,628.90

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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.