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Finding the Fourth Proportional to 226,118, 312,042.84 and 125,525.36

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Solution

The fourth proportional to 226,118, 312,042.84 and 125,525.36 is: 173,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,118 : 312,042.84 = 125,525.36 : x
  2. Step 2: Convert to fraction form
    226,118/312,042.84 = 125,525.36/x
  3. Step 3: Cross multiply
    226,118x = 312,042.84 × 125,525.36
  4. Step 4: Simplify right side
    226,118x = 39,169,289,826.42
  5. Step 5: Solve for x
    x = 39,169,289,826.42/226,118
  6. Step 6: Final answer
    x = 173,225.00

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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.