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Finding the Fourth Proportional to 61,454.88, 92,203.92 and 35,181.60

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Solution

The fourth proportional to 61,454.88, 92,203.92 and 35,181.60 is: 52,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,454.88 : 92,203.92 = 35,181.60 : x
  2. Step 2: Convert to fraction form
    61,454.88/92,203.92 = 35,181.60/x
  3. Step 3: Cross multiply
    61,454.88x = 92,203.92 × 35,181.60
  4. Step 4: Simplify right side
    61,454.88x = 3,243,881,431.87
  5. Step 5: Solve for x
    x = 3,243,881,431.87/61,454.88
  6. Step 6: Final answer
    x = 52,784.77

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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.