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Finding the Fourth Proportional to 236,358.50, 354,338.90 and 109,934.51

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Solution

The fourth proportional to 236,358.50, 354,338.90 and 109,934.51 is: 164,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,358.50 : 354,338.90 = 109,934.51 : x
  2. Step 2: Convert to fraction form
    236,358.50/354,338.90 = 109,934.51/x
  3. Step 3: Cross multiply
    236,358.50x = 354,338.90 × 109,934.51
  4. Step 4: Simplify right side
    236,358.50x = 38,954,072,795.77
  5. Step 5: Solve for x
    x = 38,954,072,795.77/236,358.50
  6. Step 6: Final answer
    x = 164,809.27

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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.