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Finding the Fourth Proportional to 119,479.36, 164,880.21 and 65,763.22

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Solution

The fourth proportional to 119,479.36, 164,880.21 and 65,763.22 is: 90,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,479.36 : 164,880.21 = 65,763.22 : x
  2. Step 2: Convert to fraction form
    119,479.36/164,880.21 = 65,763.22/x
  3. Step 3: Cross multiply
    119,479.36x = 164,880.21 × 65,763.22
  4. Step 4: Simplify right side
    119,479.36x = 10,843,053,523.88
  5. Step 5: Solve for x
    x = 10,843,053,523.88/119,479.36
  6. Step 6: Final answer
    x = 90,752.52

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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.