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Finding the Fourth Proportional to 159,834.64, 239,689.62 and 59,940.40

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Solution

The fourth proportional to 159,834.64, 239,689.62 and 59,940.40 is: 89,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,834.64 : 239,689.62 = 59,940.40 : x
  2. Step 2: Convert to fraction form
    159,834.64/239,689.62 = 59,940.40/x
  3. Step 3: Cross multiply
    159,834.64x = 239,689.62 × 59,940.40
  4. Step 4: Simplify right side
    159,834.64x = 14,367,091,698.65
  5. Step 5: Solve for x
    x = 14,367,091,698.65/159,834.64
  6. Step 6: Final answer
    x = 89,887.22

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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.