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Finding the Fourth Proportional to 251,287.42, 346,857.42 and 160,886.86

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Solution

The fourth proportional to 251,287.42, 346,857.42 and 160,886.86 is: 222,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,287.42 : 346,857.42 = 160,886.86 : x
  2. Step 2: Convert to fraction form
    251,287.42/346,857.42 = 160,886.86/x
  3. Step 3: Cross multiply
    251,287.42x = 346,857.42 × 160,886.86
  4. Step 4: Simplify right side
    251,287.42x = 55,804,801,171.50
  5. Step 5: Solve for x
    x = 55,804,801,171.50/251,287.42
  6. Step 6: Final answer
    x = 222,075.59

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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.