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Finding the Fourth Proportional to 61,808.15, 92,458.40 and 49,352.54

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Solution

The fourth proportional to 61,808.15, 92,458.40 and 49,352.54 is: 73,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,808.15 : 92,458.40 = 49,352.54 : x
  2. Step 2: Convert to fraction form
    61,808.15/92,458.40 = 49,352.54/x
  3. Step 3: Cross multiply
    61,808.15x = 92,458.40 × 49,352.54
  4. Step 4: Simplify right side
    61,808.15x = 4,563,056,175.28
  5. Step 5: Solve for x
    x = 4,563,056,175.28/61,808.15
  6. Step 6: Final answer
    x = 73,826.12

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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.