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Finding the Fourth Proportional to 70,197.64, 96,841.60 and 41,886.88

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Solution

The fourth proportional to 70,197.64, 96,841.60 and 41,886.88 is: 57,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,197.64 : 96,841.60 = 41,886.88 : x
  2. Step 2: Convert to fraction form
    70,197.64/96,841.60 = 41,886.88/x
  3. Step 3: Cross multiply
    70,197.64x = 96,841.60 × 41,886.88
  4. Step 4: Simplify right side
    70,197.64x = 4,056,392,478.21
  5. Step 5: Solve for x
    x = 4,056,392,478.21/70,197.64
  6. Step 6: Final answer
    x = 57,785.31

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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.