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Finding the Fourth Proportional to 148,278.40, 222,374.40 and 53,497.60

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Solution

The fourth proportional to 148,278.40, 222,374.40 and 53,497.60 is: 80,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,278.40 : 222,374.40 = 53,497.60 : x
  2. Step 2: Convert to fraction form
    148,278.40/222,374.40 = 53,497.60/x
  3. Step 3: Cross multiply
    148,278.40x = 222,374.40 × 53,497.60
  4. Step 4: Simplify right side
    148,278.40x = 11,896,496,701.44
  5. Step 5: Solve for x
    x = 11,896,496,701.44/148,278.40
  6. Step 6: Final answer
    x = 80,230.81

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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.