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Finding the Fourth Proportional to 159,774.73, 239,499.99 and 103,650.64

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Solution

The fourth proportional to 159,774.73, 239,499.99 and 103,650.64 is: 155,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,774.73 : 239,499.99 = 103,650.64 : x
  2. Step 2: Convert to fraction form
    159,774.73/239,499.99 = 103,650.64/x
  3. Step 3: Cross multiply
    159,774.73x = 239,499.99 × 103,650.64
  4. Step 4: Simplify right side
    159,774.73x = 24,824,326,644.74
  5. Step 5: Solve for x
    x = 24,824,326,644.74/159,774.73
  6. Step 6: Final answer
    x = 155,370.80

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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.