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Finding the Fourth Proportional to 63,358.20, 94,922.10 and 51,607.80

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Solution

The fourth proportional to 63,358.20, 94,922.10 and 51,607.80 is: 77,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,358.20 : 94,922.10 = 51,607.80 : x
  2. Step 2: Convert to fraction form
    63,358.20/94,922.10 = 51,607.80/x
  3. Step 3: Cross multiply
    63,358.20x = 94,922.10 × 51,607.80
  4. Step 4: Simplify right side
    63,358.20x = 4,898,720,752.38
  5. Step 5: Solve for x
    x = 4,898,720,752.38/63,358.20
  6. Step 6: Final answer
    x = 77,317.86

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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.