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Finding the Fourth Proportional to 149,250.80, 209,227.60 and 149,250.80

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Solution

The fourth proportional to 149,250.80, 209,227.60 and 149,250.80 is: 209,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,250.80 : 209,227.60 = 149,250.80 : x
  2. Step 2: Convert to fraction form
    149,250.80/209,227.60 = 149,250.80/x
  3. Step 3: Cross multiply
    149,250.80x = 209,227.60 × 149,250.80
  4. Step 4: Simplify right side
    149,250.80x = 31,227,386,682.08
  5. Step 5: Solve for x
    x = 31,227,386,682.08/149,250.80
  6. Step 6: Final answer
    x = 209,227.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.