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Finding the Fourth Proportional to 223,474.08, 335,211.15 and 65,703.90

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Solution

The fourth proportional to 223,474.08, 335,211.15 and 65,703.90 is: 98,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,474.08 : 335,211.15 = 65,703.90 : x
  2. Step 2: Convert to fraction form
    223,474.08/335,211.15 = 65,703.90/x
  3. Step 3: Cross multiply
    223,474.08x = 335,211.15 × 65,703.90
  4. Step 4: Simplify right side
    223,474.08x = 22,024,679,878.49
  5. Step 5: Solve for x
    x = 22,024,679,878.49/223,474.08
  6. Step 6: Final answer
    x = 98,555.86

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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.