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Finding the Fourth Proportional to 61,758.19, 92,415.84 and 53,466.73

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Solution

The fourth proportional to 61,758.19, 92,415.84 and 53,466.73 is: 80,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,758.19 : 92,415.84 = 53,466.73 : x
  2. Step 2: Convert to fraction form
    61,758.19/92,415.84 = 53,466.73/x
  3. Step 3: Cross multiply
    61,758.19x = 92,415.84 × 53,466.73
  4. Step 4: Simplify right side
    61,758.19x = 4,941,172,765.00
  5. Step 5: Solve for x
    x = 4,941,172,765.00/61,758.19
  6. Step 6: Final answer
    x = 80,008.38

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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.