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Finding the Fourth Proportional to 70,234.28, 96,903.78 and 41,929.64

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Solution

The fourth proportional to 70,234.28, 96,903.78 and 41,929.64 is: 57,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,234.28 : 96,903.78 = 41,929.64 : x
  2. Step 2: Convert to fraction form
    70,234.28/96,903.78 = 41,929.64/x
  3. Step 3: Cross multiply
    70,234.28x = 96,903.78 × 41,929.64
  4. Step 4: Simplify right side
    70,234.28x = 4,063,140,610.04
  5. Step 5: Solve for x
    x = 4,063,140,610.04/70,234.28
  6. Step 6: Final answer
    x = 57,851.25

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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.