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Finding the Fourth Proportional to 159,813.67, 239,746.51 and 59,981.71

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Solution

The fourth proportional to 159,813.67, 239,746.51 and 59,981.71 is: 89,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.67 : 239,746.51 = 59,981.71 : x
  2. Step 2: Convert to fraction form
    159,813.67/239,746.51 = 59,981.71/x
  3. Step 3: Cross multiply
    159,813.67x = 239,746.51 × 59,981.71
  4. Step 4: Simplify right side
    159,813.67x = 14,380,404,287.65
  5. Step 5: Solve for x
    x = 14,380,404,287.65/159,813.67
  6. Step 6: Final answer
    x = 89,982.32

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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.