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Finding the Fourth Proportional to 79,775.85, 110,085.72 and 43,963.86

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Solution

The fourth proportional to 79,775.85, 110,085.72 and 43,963.86 is: 60,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,775.85 : 110,085.72 = 43,963.86 : x
  2. Step 2: Convert to fraction form
    79,775.85/110,085.72 = 43,963.86/x
  3. Step 3: Cross multiply
    79,775.85x = 110,085.72 × 43,963.86
  4. Step 4: Simplify right side
    79,775.85x = 4,839,792,411.83
  5. Step 5: Solve for x
    x = 4,839,792,411.83/79,775.85
  6. Step 6: Final answer
    x = 60,667.39

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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.