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Finding the Fourth Proportional to 162,841.83, 224,859.38 and 122,485.29

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Solution

The fourth proportional to 162,841.83, 224,859.38 and 122,485.29 is: 169,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,841.83 : 224,859.38 = 122,485.29 : x
  2. Step 2: Convert to fraction form
    162,841.83/224,859.38 = 122,485.29/x
  3. Step 3: Cross multiply
    162,841.83x = 224,859.38 × 122,485.29
  4. Step 4: Simplify right side
    162,841.83x = 27,541,965,756.09
  5. Step 5: Solve for x
    x = 27,541,965,756.09/162,841.83
  6. Step 6: Final answer
    x = 169,133.24

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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.