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Finding the Fourth Proportional to 148,425.70, 222,784.35 and 73,630.30

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Solution

The fourth proportional to 148,425.70, 222,784.35 and 73,630.30 is: 110,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,425.70 : 222,784.35 = 73,630.30 : x
  2. Step 2: Convert to fraction form
    148,425.70/222,784.35 = 73,630.30/x
  3. Step 3: Cross multiply
    148,425.70x = 222,784.35 × 73,630.30
  4. Step 4: Simplify right side
    148,425.70x = 16,403,678,525.81
  5. Step 5: Solve for x
    x = 16,403,678,525.81/148,425.70
  6. Step 6: Final answer
    x = 110,517.78

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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.