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Finding the Fourth Proportional to 223,878.72, 335,739.04 and 66,064.96

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Solution

The fourth proportional to 223,878.72, 335,739.04 and 66,064.96 is: 99,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,878.72 : 335,739.04 = 66,064.96 : x
  2. Step 2: Convert to fraction form
    223,878.72/335,739.04 = 66,064.96/x
  3. Step 3: Cross multiply
    223,878.72x = 335,739.04 × 66,064.96
  4. Step 4: Simplify right side
    223,878.72x = 22,180,586,248.04
  5. Step 5: Solve for x
    x = 22,180,586,248.04/223,878.72
  6. Step 6: Final answer
    x = 99,074.12

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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.