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Finding the Fourth Proportional to 85,930.88, 118,585.42 and 48,205.94

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Solution

The fourth proportional to 85,930.88, 118,585.42 and 48,205.94 is: 66,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,930.88 : 118,585.42 = 48,205.94 : x
  2. Step 2: Convert to fraction form
    85,930.88/118,585.42 = 48,205.94/x
  3. Step 3: Cross multiply
    85,930.88x = 118,585.42 × 48,205.94
  4. Step 4: Simplify right side
    85,930.88x = 5,716,520,927.95
  5. Step 5: Solve for x
    x = 5,716,520,927.95/85,930.88
  6. Step 6: Final answer
    x = 66,524.64

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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.