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Finding the Fourth Proportional to 63,052.78, 86,946.06 and 56,704.54

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Solution

The fourth proportional to 63,052.78, 86,946.06 and 56,704.54 is: 78,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,052.78 : 86,946.06 = 56,704.54 : x
  2. Step 2: Convert to fraction form
    63,052.78/86,946.06 = 56,704.54/x
  3. Step 3: Cross multiply
    63,052.78x = 86,946.06 × 56,704.54
  4. Step 4: Simplify right side
    63,052.78x = 4,930,236,337.11
  5. Step 5: Solve for x
    x = 4,930,236,337.11/63,052.78
  6. Step 6: Final answer
    x = 78,192.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.