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Finding the Fourth Proportional to 223,671.72, 335,505.72 and 65,897.88

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Solution

The fourth proportional to 223,671.72, 335,505.72 and 65,897.88 is: 98,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,671.72 : 335,505.72 = 65,897.88 : x
  2. Step 2: Convert to fraction form
    223,671.72/335,505.72 = 65,897.88/x
  3. Step 3: Cross multiply
    223,671.72x = 335,505.72 × 65,897.88
  4. Step 4: Simplify right side
    223,671.72x = 22,109,115,675.87
  5. Step 5: Solve for x
    x = 22,109,115,675.87/223,671.72
  6. Step 6: Final answer
    x = 98,846.27

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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.