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Finding the Fourth Proportional to 61,376.70, 84,636.87 and 43,466.94

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Solution

The fourth proportional to 61,376.70, 84,636.87 and 43,466.94 is: 59,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,376.70 : 84,636.87 = 43,466.94 : x
  2. Step 2: Convert to fraction form
    61,376.70/84,636.87 = 43,466.94/x
  3. Step 3: Cross multiply
    61,376.70x = 84,636.87 × 43,466.94
  4. Step 4: Simplify right side
    61,376.70x = 3,678,905,750.08
  5. Step 5: Solve for x
    x = 3,678,905,750.08/61,376.70
  6. Step 6: Final answer
    x = 59,939.78

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