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Finding the Fourth Proportional to 148,532.40, 222,798.60 and 147,220.20

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Solution

The fourth proportional to 148,532.40, 222,798.60 and 147,220.20 is: 220,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,532.40 : 222,798.60 = 147,220.20 : x
  2. Step 2: Convert to fraction form
    148,532.40/222,798.60 = 147,220.20/x
  3. Step 3: Cross multiply
    148,532.40x = 222,798.60 × 147,220.20
  4. Step 4: Simplify right side
    148,532.40x = 32,800,454,451.72
  5. Step 5: Solve for x
    x = 32,800,454,451.72/148,532.40
  6. Step 6: Final answer
    x = 220,830.30

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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.