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Finding the Fourth Proportional to 149,000.10, 223,500.15 and 147,963.30

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Solution

The fourth proportional to 149,000.10, 223,500.15 and 147,963.30 is: 221,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,000.10 : 223,500.15 = 147,963.30 : x
  2. Step 2: Convert to fraction form
    149,000.10/223,500.15 = 147,963.30/x
  3. Step 3: Cross multiply
    149,000.10x = 223,500.15 × 147,963.30
  4. Step 4: Simplify right side
    149,000.10x = 33,069,819,744.50
  5. Step 5: Solve for x
    x = 33,069,819,744.50/149,000.10
  6. Step 6: Final answer
    x = 221,944.95

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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.