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Finding the Fourth Proportional to 63,164.41, 94,696.90 and 31,558.21

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Solution

The fourth proportional to 63,164.41, 94,696.90 and 31,558.21 is: 47,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,164.41 : 94,696.90 = 31,558.21 : x
  2. Step 2: Convert to fraction form
    63,164.41/94,696.90 = 31,558.21/x
  3. Step 3: Cross multiply
    63,164.41x = 94,696.90 × 31,558.21
  4. Step 4: Simplify right side
    63,164.41x = 2,988,464,340.91
  5. Step 5: Solve for x
    x = 2,988,464,340.91/63,164.41
  6. Step 6: Final answer
    x = 47,312.47

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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.