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Finding the Fourth Proportional to 223,276.80, 335,692.80 and 189,062.40

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Solution

The fourth proportional to 223,276.80, 335,692.80 and 189,062.40 is: 284,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,276.80 : 335,692.80 = 189,062.40 : x
  2. Step 2: Convert to fraction form
    223,276.80/335,692.80 = 189,062.40/x
  3. Step 3: Cross multiply
    223,276.80x = 335,692.80 × 189,062.40
  4. Step 4: Simplify right side
    223,276.80x = 63,466,886,430.72
  5. Step 5: Solve for x
    x = 63,466,886,430.72/223,276.80
  6. Step 6: Final answer
    x = 284,252.04

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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.