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Finding the Fourth Proportional to 112,951.80, 169,415.55 and 29,845.80

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Solution

The fourth proportional to 112,951.80, 169,415.55 and 29,845.80 is: 44,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,951.80 : 169,415.55 = 29,845.80 : x
  2. Step 2: Convert to fraction form
    112,951.80/169,415.55 = 29,845.80/x
  3. Step 3: Cross multiply
    112,951.80x = 169,415.55 × 29,845.80
  4. Step 4: Simplify right side
    112,951.80x = 5,056,342,622.19
  5. Step 5: Solve for x
    x = 5,056,342,622.19/112,951.80
  6. Step 6: Final answer
    x = 44,765.49

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1.5x scale

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.