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Finding the Fourth Proportional to 70,157.25, 96,823.67 and 38,330.94

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Solution

The fourth proportional to 70,157.25, 96,823.67 and 38,330.94 is: 52,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,157.25 : 96,823.67 = 38,330.94 : x
  2. Step 2: Convert to fraction form
    70,157.25/96,823.67 = 38,330.94/x
  3. Step 3: Cross multiply
    70,157.25x = 96,823.67 × 38,330.94
  4. Step 4: Simplify right side
    70,157.25x = 3,711,342,093.70
  5. Step 5: Solve for x
    x = 3,711,342,093.70/70,157.25
  6. Step 6: Final answer
    x = 52,900.34

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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.