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Finding the Fourth Proportional to 120,324.48, 166,074.48 and 70,052.64

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Solution

The fourth proportional to 120,324.48, 166,074.48 and 70,052.64 is: 96,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,324.48 : 166,074.48 = 70,052.64 : x
  2. Step 2: Convert to fraction form
    120,324.48/166,074.48 = 70,052.64/x
  3. Step 3: Cross multiply
    120,324.48x = 166,074.48 × 70,052.64
  4. Step 4: Simplify right side
    120,324.48x = 11,633,955,760.63
  5. Step 5: Solve for x
    x = 11,633,955,760.63/120,324.48
  6. Step 6: Final answer
    x = 96,688.19

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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.