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Finding the Fourth Proportional to 70,367.64, 97,107.48 and 38,102.56

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Solution

The fourth proportional to 70,367.64, 97,107.48 and 38,102.56 is: 52,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.64 : 97,107.48 = 38,102.56 : x
  2. Step 2: Convert to fraction form
    70,367.64/97,107.48 = 38,102.56/x
  3. Step 3: Cross multiply
    70,367.64x = 97,107.48 × 38,102.56
  4. Step 4: Simplify right side
    70,367.64x = 3,700,043,583.15
  5. Step 5: Solve for x
    x = 3,700,043,583.15/70,367.64
  6. Step 6: Final answer
    x = 52,581.61

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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.