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Finding the Fourth Proportional to 61,739.84, 85,200.77 and 34,882.34

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Solution

The fourth proportional to 61,739.84, 85,200.77 and 34,882.34 is: 48,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.84 : 85,200.77 = 34,882.34 : x
  2. Step 2: Convert to fraction form
    61,739.84/85,200.77 = 34,882.34/x
  3. Step 3: Cross multiply
    61,739.84x = 85,200.77 × 34,882.34
  4. Step 4: Simplify right side
    61,739.84x = 2,972,001,888.60
  5. Step 5: Solve for x
    x = 2,972,001,888.60/61,739.84
  6. Step 6: Final answer
    x = 48,137.50

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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.