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Finding the Fourth Proportional to 119,043.70, 164,282.34 and 65,333.71

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Solution

The fourth proportional to 119,043.70, 164,282.34 and 65,333.71 is: 90,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,043.70 : 164,282.34 = 65,333.71 : x
  2. Step 2: Convert to fraction form
    119,043.70/164,282.34 = 65,333.71/x
  3. Step 3: Cross multiply
    119,043.70x = 164,282.34 × 65,333.71
  4. Step 4: Simplify right side
    119,043.70x = 10,733,174,759.68
  5. Step 5: Solve for x
    x = 10,733,174,759.68/119,043.70
  6. Step 6: Final answer
    x = 90,161.64

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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.