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Finding the Fourth Proportional to 149,205.71, 223,810.90 and 83,066.21

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Solution

The fourth proportional to 149,205.71, 223,810.90 and 83,066.21 is: 124,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,205.71 : 223,810.90 = 83,066.21 : x
  2. Step 2: Convert to fraction form
    149,205.71/223,810.90 = 83,066.21/x
  3. Step 3: Cross multiply
    149,205.71x = 223,810.90 × 83,066.21
  4. Step 4: Simplify right side
    149,205.71x = 18,591,122,732.26
  5. Step 5: Solve for x
    x = 18,591,122,732.26/149,205.71
  6. Step 6: Final answer
    x = 124,600.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.