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Finding the Fourth Proportional to 146,762.40, 202,633.20 and 108,530.40

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Solution

The fourth proportional to 146,762.40, 202,633.20 and 108,530.40 is: 149,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,762.40 : 202,633.20 = 108,530.40 : x
  2. Step 2: Convert to fraction form
    146,762.40/202,633.20 = 108,530.40/x
  3. Step 3: Cross multiply
    146,762.40x = 202,633.20 × 108,530.40
  4. Step 4: Simplify right side
    146,762.40x = 21,991,862,249.28
  5. Step 5: Solve for x
    x = 21,991,862,249.28/146,762.40
  6. Step 6: Final answer
    x = 149,846.71

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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.