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Finding the Fourth Proportional to 148,632.60, 222,948.90 and 69,900.60

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Solution

The fourth proportional to 148,632.60, 222,948.90 and 69,900.60 is: 104,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,632.60 : 222,948.90 = 69,900.60 : x
  2. Step 2: Convert to fraction form
    148,632.60/222,948.90 = 69,900.60/x
  3. Step 3: Cross multiply
    148,632.60x = 222,948.90 × 69,900.60
  4. Step 4: Simplify right side
    148,632.60x = 15,584,261,879.34
  5. Step 5: Solve for x
    x = 15,584,261,879.34/148,632.60
  6. Step 6: Final answer
    x = 104,850.90

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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.