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Finding the Fourth Proportional to 223,801.80, 335,702.70 and 188,372.40

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Solution

The fourth proportional to 223,801.80, 335,702.70 and 188,372.40 is: 282,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,801.80 : 335,702.70 = 188,372.40 : x
  2. Step 2: Convert to fraction form
    223,801.80/335,702.70 = 188,372.40/x
  3. Step 3: Cross multiply
    223,801.80x = 335,702.70 × 188,372.40
  4. Step 4: Simplify right side
    223,801.80x = 63,237,123,285.48
  5. Step 5: Solve for x
    x = 63,237,123,285.48/223,801.80
  6. Step 6: Final answer
    x = 282,558.60

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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.