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Finding the Fourth Proportional to 159,045.98, 239,064.87 and 100,259.42

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Solution

The fourth proportional to 159,045.98, 239,064.87 and 100,259.42 is: 150,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,045.98 : 239,064.87 = 100,259.42 : x
  2. Step 2: Convert to fraction form
    159,045.98/239,064.87 = 100,259.42/x
  3. Step 3: Cross multiply
    159,045.98x = 239,064.87 × 100,259.42
  4. Step 4: Simplify right side
    159,045.98x = 23,968,505,208.58
  5. Step 5: Solve for x
    x = 23,968,505,208.58/159,045.98
  6. Step 6: Final answer
    x = 150,701.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.