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Finding the Fourth Proportional to 61,771.01, 85,239.27 and 34,916.03

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Solution

The fourth proportional to 61,771.01, 85,239.27 and 34,916.03 is: 48,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771.01 : 85,239.27 = 34,916.03 : x
  2. Step 2: Convert to fraction form
    61,771.01/85,239.27 = 34,916.03/x
  3. Step 3: Cross multiply
    61,771.01x = 85,239.27 × 34,916.03
  4. Step 4: Simplify right side
    61,771.01x = 2,976,216,801.95
  5. Step 5: Solve for x
    x = 2,976,216,801.95/61,771.01
  6. Step 6: Final answer
    x = 48,181.45

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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.