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Finding the Fourth Proportional to 159,597.86, 239,396.94 and 39,654.68

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Solution

The fourth proportional to 159,597.86, 239,396.94 and 39,654.68 is: 59,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,597.86 : 239,396.94 = 39,654.68 : x
  2. Step 2: Convert to fraction form
    159,597.86/239,396.94 = 39,654.68/x
  3. Step 3: Cross multiply
    159,597.86x = 239,396.94 × 39,654.68
  4. Step 4: Simplify right side
    159,597.86x = 9,493,207,851.69
  5. Step 5: Solve for x
    x = 9,493,207,851.69/159,597.86
  6. Step 6: Final answer
    x = 59,482.05

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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.