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Finding the Fourth Proportional to 70,197.09, 96,840.90 and 41,886.42

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Solution

The fourth proportional to 70,197.09, 96,840.90 and 41,886.42 is: 57,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,197.09 : 96,840.90 = 41,886.42 : x
  2. Step 2: Convert to fraction form
    70,197.09/96,840.90 = 41,886.42/x
  3. Step 3: Cross multiply
    70,197.09x = 96,840.90 × 41,886.42
  4. Step 4: Simplify right side
    70,197.09x = 4,056,318,610.58
  5. Step 5: Solve for x
    x = 4,056,318,610.58/70,197.09
  6. Step 6: Final answer
    x = 57,784.71

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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.