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Finding the Fourth Proportional to 119,350.87, 164,700.91 and 65,635.88

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Solution

The fourth proportional to 119,350.87, 164,700.91 and 65,635.88 is: 90,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,350.87 : 164,700.91 = 65,635.88 : x
  2. Step 2: Convert to fraction form
    119,350.87/164,700.91 = 65,635.88/x
  3. Step 3: Cross multiply
    119,350.87x = 164,700.91 × 65,635.88
  4. Step 4: Simplify right side
    119,350.87x = 10,810,289,164.65
  5. Step 5: Solve for x
    x = 10,810,289,164.65/119,350.87
  6. Step 6: Final answer
    x = 90,575.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.