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Finding the Fourth Proportional to 159,813.64, 239,658.13 and 59,919.40

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Solution

The fourth proportional to 159,813.64, 239,658.13 and 59,919.40 is: 89,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.64 : 239,658.13 = 59,919.40 : x
  2. Step 2: Convert to fraction form
    159,813.64/239,658.13 = 59,919.40/x
  3. Step 3: Cross multiply
    159,813.64x = 239,658.13 × 59,919.40
  4. Step 4: Simplify right side
    159,813.64x = 14,360,171,354.72
  5. Step 5: Solve for x
    x = 14,360,171,354.72/159,813.64
  6. Step 6: Final answer
    x = 89,855.73

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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.