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Finding the Fourth Proportional to 68,561.96, 102,801.45 and 44,840.93

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Solution

The fourth proportional to 68,561.96, 102,801.45 and 44,840.93 is: 67,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,561.96 : 102,801.45 = 44,840.93 : x
  2. Step 2: Convert to fraction form
    68,561.96/102,801.45 = 44,840.93/x
  3. Step 3: Cross multiply
    68,561.96x = 102,801.45 × 44,840.93
  4. Step 4: Simplify right side
    68,561.96x = 4,609,712,623.35
  5. Step 5: Solve for x
    x = 4,609,712,623.35/68,561.96
  6. Step 6: Final answer
    x = 67,234.26

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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.