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Finding the Fourth Proportional to 223,087.80, 334,631.70 and 148,308.60

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Solution

The fourth proportional to 223,087.80, 334,631.70 and 148,308.60 is: 222,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,087.80 : 334,631.70 = 148,308.60 : x
  2. Step 2: Convert to fraction form
    223,087.80/334,631.70 = 148,308.60/x
  3. Step 3: Cross multiply
    223,087.80x = 334,631.70 × 148,308.60
  4. Step 4: Simplify right side
    223,087.80x = 49,628,758,942.62
  5. Step 5: Solve for x
    x = 49,628,758,942.62/223,087.80
  6. Step 6: Final answer
    x = 222,462.90

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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.