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Finding the Fourth Proportional to 80,779.95, 111,474.77 and 44,970.66

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Solution

The fourth proportional to 80,779.95, 111,474.77 and 44,970.66 is: 62,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779.95 : 111,474.77 = 44,970.66 : x
  2. Step 2: Convert to fraction form
    80,779.95/111,474.77 = 44,970.66/x
  3. Step 3: Cross multiply
    80,779.95x = 111,474.77 × 44,970.66
  4. Step 4: Simplify right side
    80,779.95x = 5,013,093,755.39
  5. Step 5: Solve for x
    x = 5,013,093,755.39/80,779.95
  6. Step 6: Final answer
    x = 62,058.64

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1.5x scale

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.