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Finding the Fourth Proportional to 223,007.80, 334,511.70 and 148,228.60

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Solution

The fourth proportional to 223,007.80, 334,511.70 and 148,228.60 is: 222,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,007.80 : 334,511.70 = 148,228.60 : x
  2. Step 2: Convert to fraction form
    223,007.80/334,511.70 = 148,228.60/x
  3. Step 3: Cross multiply
    223,007.80x = 334,511.70 × 148,228.60
  4. Step 4: Simplify right side
    223,007.80x = 49,584,200,974.62
  5. Step 5: Solve for x
    x = 49,584,200,974.62/223,007.80
  6. Step 6: Final answer
    x = 222,342.90

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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.