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Finding the Fourth Proportional to 61,704.99, 92,364.30 and 42,617.34

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Solution

The fourth proportional to 61,704.99, 92,364.30 and 42,617.34 is: 63,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,704.99 : 92,364.30 = 42,617.34 : x
  2. Step 2: Convert to fraction form
    61,704.99/92,364.30 = 42,617.34/x
  3. Step 3: Cross multiply
    61,704.99x = 92,364.30 × 42,617.34
  4. Step 4: Simplify right side
    61,704.99x = 3,936,320,776.96
  5. Step 5: Solve for x
    x = 3,936,320,776.96/61,704.99
  6. Step 6: Final answer
    x = 63,792.58

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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.