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Finding the Fourth Proportional to 169,733.80, 234,271.20 and 112,375.27

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Solution

The fourth proportional to 169,733.80, 234,271.20 and 112,375.27 is: 155,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,733.80 : 234,271.20 = 112,375.27 : x
  2. Step 2: Convert to fraction form
    169,733.80/234,271.20 = 112,375.27/x
  3. Step 3: Cross multiply
    169,733.80x = 234,271.20 × 112,375.27
  4. Step 4: Simplify right side
    169,733.80x = 26,326,289,353.22
  5. Step 5: Solve for x
    x = 26,326,289,353.22/169,733.80
  6. Step 6: Final answer
    x = 155,103.40

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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.