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Finding the Fourth Proportional to 170,697.44, 255,891.28 and 59,828.96

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Solution

The fourth proportional to 170,697.44, 255,891.28 and 59,828.96 is: 89,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,697.44 : 255,891.28 = 59,828.96 : x
  2. Step 2: Convert to fraction form
    170,697.44/255,891.28 = 59,828.96/x
  3. Step 3: Cross multiply
    170,697.44x = 255,891.28 × 59,828.96
  4. Step 4: Simplify right side
    170,697.44x = 15,309,709,155.47
  5. Step 5: Solve for x
    x = 15,309,709,155.47/170,697.44
  6. Step 6: Final answer
    x = 89,689.16

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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.