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Finding the Fourth Proportional to 119,049.29, 164,291.22 and 65,336.21

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Solution

The fourth proportional to 119,049.29, 164,291.22 and 65,336.21 is: 90,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,049.29 : 164,291.22 = 65,336.21 : x
  2. Step 2: Convert to fraction form
    119,049.29/164,291.22 = 65,336.21/x
  3. Step 3: Cross multiply
    119,049.29x = 164,291.22 × 65,336.21
  4. Step 4: Simplify right side
    119,049.29x = 10,734,166,061.80
  5. Step 5: Solve for x
    x = 10,734,166,061.80/119,049.29
  6. Step 6: Final answer
    x = 90,165.73

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1.5x scale

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.