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Finding the Fourth Proportional to 84,625.95, 116,779.71 and 48,827.52

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Solution

The fourth proportional to 84,625.95, 116,779.71 and 48,827.52 is: 67,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,625.95 : 116,779.71 = 48,827.52 : x
  2. Step 2: Convert to fraction form
    84,625.95/116,779.71 = 48,827.52/x
  3. Step 3: Cross multiply
    84,625.95x = 116,779.71 × 48,827.52
  4. Step 4: Simplify right side
    84,625.95x = 5,702,063,625.62
  5. Step 5: Solve for x
    x = 5,702,063,625.62/84,625.95
  6. Step 6: Final answer
    x = 67,379.61

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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.