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Finding the Fourth Proportional to 66,798, 92,181.85 and 45,576.81

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Solution

The fourth proportional to 66,798, 92,181.85 and 45,576.81 is: 62,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,798 : 92,181.85 = 45,576.81 : x
  2. Step 2: Convert to fraction form
    66,798/92,181.85 = 45,576.81/x
  3. Step 3: Cross multiply
    66,798x = 92,181.85 × 45,576.81
  4. Step 4: Simplify right side
    66,798x = 4,201,354,548.96
  5. Step 5: Solve for x
    x = 4,201,354,548.96/66,798
  6. Step 6: Final answer
    x = 62,896.41

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Why These Related Problems?

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