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Finding the Fourth Proportional to 149,207.71, 223,813.90 and 83,068.21

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Solution

The fourth proportional to 149,207.71, 223,813.90 and 83,068.21 is: 124,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,207.71 : 223,813.90 = 83,068.21 : x
  2. Step 2: Convert to fraction form
    149,207.71/223,813.90 = 83,068.21/x
  3. Step 3: Cross multiply
    149,207.71x = 223,813.90 × 83,068.21
  4. Step 4: Simplify right side
    149,207.71x = 18,591,820,046.12
  5. Step 5: Solve for x
    x = 18,591,820,046.12/149,207.71
  6. Step 6: Final answer
    x = 124,603.61

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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.