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Finding the Fourth Proportional to 265,221.65, 366,013.77 and 163,305.92

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Solution

The fourth proportional to 265,221.65, 366,013.77 and 163,305.92 is: 225,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,221.65 : 366,013.77 = 163,305.92 : x
  2. Step 2: Convert to fraction form
    265,221.65/366,013.77 = 163,305.92/x
  3. Step 3: Cross multiply
    265,221.65x = 366,013.77 × 163,305.92
  4. Step 4: Simplify right side
    265,221.65x = 59,772,213,612.45
  5. Step 5: Solve for x
    x = 59,772,213,612.45/265,221.65
  6. Step 6: Final answer
    x = 225,367.03

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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.