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Finding the Fourth Proportional to 149,000.60, 223,500.90 and 147,963.80

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Solution

The fourth proportional to 149,000.60, 223,500.90 and 147,963.80 is: 221,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,000.60 : 223,500.90 = 147,963.80 : x
  2. Step 2: Convert to fraction form
    149,000.60/223,500.90 = 147,963.80/x
  3. Step 3: Cross multiply
    149,000.60x = 223,500.90 × 147,963.80
  4. Step 4: Simplify right side
    149,000.60x = 33,070,042,467.42
  5. Step 5: Solve for x
    x = 33,070,042,467.42/149,000.60
  6. Step 6: Final answer
    x = 221,945.70

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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.