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Finding the Fourth Proportional to 159,809.18, 239,651.42 and 59,914.85

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Solution

The fourth proportional to 159,809.18, 239,651.42 and 59,914.85 is: 89,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,809.18 : 239,651.42 = 59,914.85 : x
  2. Step 2: Convert to fraction form
    159,809.18/239,651.42 = 59,914.85/x
  3. Step 3: Cross multiply
    159,809.18x = 239,651.42 × 59,914.85
  4. Step 4: Simplify right side
    159,809.18x = 14,358,677,383.76
  5. Step 5: Solve for x
    x = 14,358,677,383.76/159,809.18
  6. Step 6: Final answer
    x = 89,848.89

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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.