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Finding the Fourth Proportional to 259,118, 357,672.33 and 151,722.56

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Solution

The fourth proportional to 259,118, 357,672.33 and 151,722.56 is: 209,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,118 : 357,672.33 = 151,722.56 : x
  2. Step 2: Convert to fraction form
    259,118/357,672.33 = 151,722.56/x
  3. Step 3: Cross multiply
    259,118x = 357,672.33 × 151,722.56
  4. Step 4: Simplify right side
    259,118x = 54,266,961,548.76
  5. Step 5: Solve for x
    x = 54,266,961,548.76/259,118
  6. Step 6: Final answer
    x = 209,429.53

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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.