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Finding the Fourth Proportional to 236,751.48, 355,179.69 and 68,258.66

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Solution

The fourth proportional to 236,751.48, 355,179.69 and 68,258.66 is: 102,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,751.48 : 355,179.69 = 68,258.66 : x
  2. Step 2: Convert to fraction form
    236,751.48/355,179.69 = 68,258.66/x
  3. Step 3: Cross multiply
    236,751.48x = 355,179.69 × 68,258.66
  4. Step 4: Simplify right side
    236,751.48x = 24,244,088,220.45
  5. Step 5: Solve for x
    x = 24,244,088,220.45/236,751.48
  6. Step 6: Final answer
    x = 102,403.11

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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.