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Finding the Fourth Proportional to 63,223.98, 94,374.74 and 55,243.28

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Solution

The fourth proportional to 63,223.98, 94,374.74 and 55,243.28 is: 82,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,223.98 : 94,374.74 = 55,243.28 : x
  2. Step 2: Convert to fraction form
    63,223.98/94,374.74 = 55,243.28/x
  3. Step 3: Cross multiply
    63,223.98x = 94,374.74 × 55,243.28
  4. Step 4: Simplify right side
    63,223.98x = 5,213,570,186.75
  5. Step 5: Solve for x
    x = 5,213,570,186.75/63,223.98
  6. Step 6: Final answer
    x = 82,461.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.