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Finding the Fourth Proportional to 168,963.64, 253,501.76 and 56,654.96

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Solution

The fourth proportional to 168,963.64, 253,501.76 and 56,654.96 is: 85,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,963.64 : 253,501.76 = 56,654.96 : x
  2. Step 2: Convert to fraction form
    168,963.64/253,501.76 = 56,654.96/x
  3. Step 3: Cross multiply
    168,963.64x = 253,501.76 × 56,654.96
  4. Step 4: Simplify right side
    168,963.64x = 14,362,132,072.73
  5. Step 5: Solve for x
    x = 14,362,132,072.73/168,963.64
  6. Step 6: Final answer
    x = 85,001.32

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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.