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Finding the Fourth Proportional to 148,286.60, 222,429.90 and 146,904.20

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Solution

The fourth proportional to 148,286.60, 222,429.90 and 146,904.20 is: 220,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,286.60 : 222,429.90 = 146,904.20 : x
  2. Step 2: Convert to fraction form
    148,286.60/222,429.90 = 146,904.20/x
  3. Step 3: Cross multiply
    148,286.60x = 222,429.90 × 146,904.20
  4. Step 4: Simplify right side
    148,286.60x = 32,675,886,515.58
  5. Step 5: Solve for x
    x = 32,675,886,515.58/148,286.60
  6. Step 6: Final answer
    x = 220,356.30

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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.